A satellite moving round the earth with a uniform speed has _____? A. An accelerated motion B. No acceleration at all C. Uniform acceleration D. Uneven acceleration

A satellite moving round the earth with a uniform speed has _____? A. An accelerated motion B. No acceleration at all C. Uniform acceleration D. Uneven acceleration
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A satellite moving round the earth with a uniform speed has------? A. An accelerated motion B. No acceleration at all C. Uniform acceleration (Answer) D. Uneven acceleration

Description : A satellite moving round the earth with a uniform speed has------? A. An accelerated motion B. No acceleration at all C. Uniform acceleration (Answer) D. Uneven acceleration

Last Answer : C. Uniform acceleration (Answer)

A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration-of the particle is – (1) zero (2) V/r (3) V/r² (4) V²/r

Description : A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration-of the particle is – (1) zero (2) V/r (3) V/r² (4) V²/r

Last Answer : (4) V²/r Explanation: When a particle is moving in a uniform circular motion with constant speed and radius. the acceleration of the particle is given by v2/r. The particle will exhibit centripetal acceleration.

There are three equations of uniformly accelerated motion, the odd one out is A. final_velocity = initial_velocity + (acceleration × time) B. distance_moved = (initial_velocity × time) + (0.5 × acceleration × time²) C. final_velocity² = initial_velocity² + (2 × acceleration × distance_moved) D. final_velocity = initial_velocity + (2 × acceleration × distance_moved)

Description : There are three equations of uniformly accelerated motion, the odd one out is A. final_velocity = initial_velocity + (acceleration time) B. distance_moved = (initial_velocity time) ... acceleration distance_moved) D. final_velocity = initial_velocity + (2 acceleration distance_moved)

Last Answer :  final_velocity = initial_velocity + (2 × acceleration × distance_moved)

Derive equations of motion graphically for a particle having uniform acceleration, moving along a straight line.

Description : Derive equations of motion graphically for a particle having uniform acceleration, moving along a straight line.

Last Answer : Derive equations of motion graphically for a particle having uniform acceleration, moving along a straight line.

For an object moving in uniform circular motion, the direction of the instantaneous acceleration vector is: w) tangent to the path of motion x) equal to zero y) directed radially outward z) directed radially inward

Description : For an object moving in uniform circular motion, the direction of the instantaneous acceleration vector is: w) tangent to the path of motion x) equal to zero y) directed radially outward z) directed radially inward

Last Answer : ANSWER: Z -- DIRECTED RADIALLY INWARD

Can non uniform linear motion be accelerated ? -Physics 9th

Description : Can non uniform linear motion be accelerated ? -Physics 9th

Last Answer : Yes, the statement is correct. In a uniform linear motion, there is no change in the magnitude or direction i.e., velocity is constant, hence there will be no acceleration. Further, in a ... motion, the direction of motion changes at each point.. Hence, the uniform circular motion is accelerated.

The motion of a body around a circular path is an example of – (1) Uniform velocity, variable acceleration (2) Uniform speed, uniform velocity (3) Uniform speed, variable velocity (4) Uniform speed, variable acceleration

Description : The motion of a body around a circular path is an example of – (1) Uniform velocity, variable acceleration (2) Uniform speed, uniform velocity (3) Uniform speed, variable velocity (4) Uniform speed, variable acceleration

Last Answer : (1) Uniform velocity, variable acceleration Explanation: Uniform circular motion occurs when a body moves in a circular path with constant velocity.

The motion of a body around a circular path is an example of (1) Uniform velocity, variable acceleration (2) Uniform speed, uniform velocity (3) Uniform speed, variable velocity (4) Uniform speed, variable acceleration

Description : The motion of a body around a circular path is an example of (1) Uniform velocity, variable acceleration (2) Uniform speed, uniform velocity (3) Uniform speed, variable velocity (4) Uniform speed, variable acceleration

Last Answer : Uniform velocity, variable acceleration

a particle moves with uniform velocity. Which o fthe following statements about the motion of the particle is true. (a) its speed is zero. (b) its acceleration is zero. © its acceleration is opposite to the velocity. (d) its speed may be variable

Description : a particle moves with uniform velocity. Which o fthe following statements about the motion of the particle is true. (a) its speed is zero. (b) its acceleration is zero. © its acceleration is opposite to the velocity. (d) its speed may be variable

Last Answer : Its acceleration is zero

A man is standing on a weighing machine in a lift which is moving. The weighing machine will show minimum reading when, the lift is moving A. In a free fall due to failure of the lift mechanism B. Upward with uniform acceleration C. Downward with uniform acceleration D. Upward with uniform speed

Description : A man is standing on a weighing machine in a lift which is moving. The weighing machine will show minimum reading when, the lift is moving A. In a free fall due to failure of the lift mechanism B. Upward with uniform acceleration C. Downward with uniform acceleration D. Upward with uniform speed

Last Answer : ANSWER: A

A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving? A. Upward with uniform speed B. Downward with uniform acceleration C. In a free fall due to failure of the lift mechanism (Answer) D. None of these

Description : A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving? A. Upward with uniform speed B. Downward with uniform acceleration C. In a free fall due to failure of the lift mechanism (Answer) D. None of these

Last Answer : C. In a free fall due to failure of the lift mechanism (Answer)

A particle moving with uniform speed can possess : (a) radial acceleration (b) tangential acceleration © both radial and tangential accelerations (d) neither radial nor tangential acceleration

Description : A particle moving with uniform speed can possess :  (a) radial acceleration (b) tangential acceleration © both radial and tangential accelerations (d) neither radial nor tangential acceleration

Last Answer : Neither radial nor tangential... as if it move in a straight line.. but it possess radial acceleration if it moves in a uniform circular path

How to calculate trajectory and time with uniformly accelerated motion when we know only the initial speed, final velocity and trajectory?

Description : I just need to know a formula, or a lot more formulas, but there are always both unknowns in a formula.

Last Answer : I don't know how to fix it ... you have to do it yourself

The greatest induced EMF will occur in a straight wire moving at constant speed through a uniform magnetic field when the angle between the direction of the wire's motion and the direction of the magnetic field is w) 0 degrees x) 30 degrees y) 60 degrees z) 90 degrees

Description : The greatest induced EMF will occur in a straight wire moving at constant speed through a uniform magnetic field when the angle between the direction of the wire's motion and the direction of the magnetic field is w) 0 degrees x) 30 degrees y) 60 degrees z) 90 degrees

Last Answer : ANSWER: Z -- 90 DEGREES

For uniform acceleration in rectilinear motion which of the following is not correct?

Description : For uniform acceleration in rectilinear motion which of the following is not correct?

Last Answer : For uniform acceleration in rectilinear motion which of the following is not correct? (A) ... displacement (D) Velocity-time graph is nonlinear

Atmospheric pressure exerted on the earth is due to the _____ A. Rotation of the Earch B. Revolution of the earth C. Grasvitational pull D. Uneven heating of the earth

Description : Atmospheric pressure exerted on the earth is due to the _____ A. Rotation of the Earch B. Revolution of the earth C. Grasvitational pull D. Uneven heating of the earth

Last Answer : ANSWER: C

An object is in static equilibrium when it is _____. (1) at rest (2) moving in a circular path (3) moving with uniform velocity (4) accelerating at high speed

Description : An object is in static equilibrium when it is _____. (1) at rest (2) moving in a circular path (3) moving with uniform velocity (4) accelerating at high speed

Last Answer : (1) at rest Explanation: When forces acting on an object which is at rest are balanced, the object is said to be in a state of static equilibrium. The resultant of these forces equals zero.

Obtain a relation for the distance travelled by an object moving with a uniform acceleration in the interval between 4th and 5th seconds -Physics 9th

Description : Obtain a relation for the distance travelled by an object moving with a uniform acceleration in the interval between 4th and 5th seconds -Physics 9th

Last Answer : Uniform acceleration in the interval between 4th and 5th seconds = = (5u + 1/2 * a * 5^2) - (4u + 1/2 * a * 4^2) = 5u + 1/2 *a * 25 - 4u + 1/2 * a * 16 = u + 1/2 * a * (25-16) = u + 1/2 * a * 9 = u + 9/2 * a If it starts from rest then the displacement will be 9/2a. hope this helps!

An electron moving with a velocity of 5 × 10 3 m / s enters into a uniform electric field and acquires a uniform acceleration of 10 3 m / s 2 in the direction of initial velocity. i. Find out the time in which electron velocity will be doubled.? ii. How much distance electron would cover in this time.? -Science

Description : An electron moving with a velocity of 5 10 3 m / s enters into a uniform electric field and acquires a uniform acceleration of 10 3 m / s 2 in the direction of initial velocity. i. ... which electron velocity will be doubled.? ii. How much distance electron would cover in this time.? -Science

Last Answer : Given u=5×103m/su=5×103m/s , a=103m/s2a=103m/s2, v=2u=104v=2u=104 m/s i.Using v=u+atv=u+at 104=5×103+103t104=5×103+103t or t=5 sec ii. Using s=ut+12at2s=ut+12at2 s=5×103×5+12×103×52s=5×103×5+12×103×52 =37.5×103m=37.5×103m

The velocity, time graph of two bodies A and B travelling along the +x direction are given in the fi gure.(a) Are the bodies moving with uniform acceleration ? (b) Which body is moving with greater acceleration ? Give reasons. -Biology

Description : The velocity, time graph of two bodies A and B travelling along the +x direction are given in the fi gure.(a) Are the bodies moving with uniform acceleration ? (b) Which body is moving with greater acceleration ? Give reasons. -Biology

Last Answer : The acceleration is given by the slope of velocity-time graph. Slope of body-A > Slope of body-B as it forms a greater angle with time axis than body B. Thus, body A moves with higher acceleration

What is acceleration of a body moving with uniform velocity?

Description : What is acceleration of a body moving with uniform velocity?

Last Answer : zero because the initial and final velocity is constant . so,difference bet. final velocity and initial velocity is zero

The apparent weight of a person in a lift which is moving down with uniform acceleration is _______. (1) greater than the weight when the person is stationary (2) twice the weight when the person is stationary (3) less than the weight when the person is stationary (4) same as the weight when the person is stationary

Description : The apparent weight of a person in a lift which is moving down with uniform acceleration is _______. (1) greater than the weight when the person is stationary (2) twice the weight when the person ... than the weight when the person is stationary (4) same as the weight when the person is stationary

Last Answer : (3) less than the weight when the person is stationary

For body moving with non-uniform velocity and uniform acceleration – (1) Displacement – Time graph (2) Displacement – Time graph (3) Velocity - Time graph is non-linear (4) Velocity - Time graph is linear

Description : For body moving with non-uniform velocity and uniform acceleration – (1) Displacement – Time graph (2) Displacement – Time graph (3) Velocity - Time graph is non-linear (4) Velocity - Time graph is linear

Last Answer : (2) Displacement - Time graph Explanation: Displacement-time graph is non linear. Linear motion (also called rectilinear motion) is motion along a straight line, and can therefore be described ... linear motion with variable velocity or non-zero acceleration. The motion of a particle (a point

For a body moving with non-uniform velocity and uniform acceleration (1) Displacement – Time graph is linear (2) Displacement – Time graph is non-linear (3) Velocity – Time graph is nonlinear (4) Velocity – Time graph is linear

Description : For a body moving with non-uniform velocity and uniform acceleration (1) Displacement – Time graph is linear (2) Displacement – Time graph is non-linear (3) Velocity – Time graph is nonlinear (4) Velocity – Time graph is linear

Last Answer : Displacement – Time graph is non-linear

Two particles A and B having equal charges `+6C`, after being accelerated through the same potential differences, enter a region of uniform magnetic f

Description : Two particles A and B having equal charges `+6C`, after being accelerated through the same potential differences, enter a region of uniform magnetic f

Last Answer : Two particles A and B having equal charges `+6C`, after being accelerated through the same potential differences, enter a ... 2` C. `4//9` D. `9//5`

Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a region of uniform magnetic field

Description : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a region of uniform magnetic field

Last Answer : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a ... D. `(R_(2)//R_(1))^(2)`

Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a region of uniform magnetic field

Description : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a region of uniform magnetic field

Last Answer : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a ... ` D. `((R_(1))/(R_(2))`

The maximum acceleration of a particle moving with simple harmonic motion is ____. A. ω B. ω.r C. ω / 2 π D. 2 π / ω

Description : The maximum acceleration of a particle moving with simple harmonic motion is ____. A. ω B. ω.r C. ω / 2 π D. 2 π / ω

Last Answer : B. ω.r

The maximum acceleration of a particle moving with simple harmonic motion is ____. (A) ω (B) ω.r (C) ω / 2 π (D) 2 π / ω

Description : The maximum acceleration of a particle moving with simple harmonic motion is ____. (A) ω (B) ω.r (C) ω / 2 π (D) 2 π / ω

Last Answer : (B) ω.r

Equations of Uniformly Accelerated Motion.

Description : Equations of Uniformly Accelerated Motion.

Last Answer : In uniformly accelerated motion, an object is moving in a straight line and its acceleration is constant. The equations of uniformly accelerated motion are used to describe the position, velocity, ... one dimension and it's necessary to use vector equations to describe motion in multiple dimensions.

A charged particle is moving in a UNIFORM magnetic field. If the direction of motion of the charged particle is at right angles to the magnetic field, describe the shape of the charged particle's path.

Description : A charged particle is moving in a UNIFORM magnetic field. If the direction of motion of the charged particle is at right angles to the magnetic field, describe the shape of the charged particle's path.

Last Answer : ANSWER: CIRCULAR or CIRCLE

A charged particle is moving in a UNIFORM magnetic field. If the direction of motion of the charged particle is parallel to the magnetic field, describe the shape of the charged particle's path.

Description : A charged particle is moving in a UNIFORM magnetic field. If the direction of motion of the charged particle is parallel to the magnetic field, describe the shape of the charged particle's path. 

Last Answer : ANSWER: STRAIGHT LINE

The apparent weight of a man in a lift is less the real weight when – (1) the lift is going up with an acceleration (2) the lift is going down with uniform speed (3) the lift is going up with uniform speed (4) the lift is going down with an acceleration

Description : The apparent weight of a man in a lift is less the real weight when – (1) the lift is going up with an acceleration (2) the lift is going down with uniform speed (3) the lift is going up with uniform speed (4) the lift is going down with an acceleration

Last Answer : (4) the lift is going down with an acceleration Explanation: If the lift accelerates downwards with acceleration a, then the apparent weight of the man standing in the lift will be less than the ... upwards with acceleration, then the apparent weight of the man will be greater than his true weight.

The apparent weight of a man in a lift is less the real weight when : (1) the lift is going up with an acceleration (2) the lift is going down with uniform speed (3) the lift is going up with uniform speed (4) the lift is going down with an acceleration

Description : The apparent weight of a man in a lift is less the real weight when : (1) the lift is going up with an acceleration (2) the lift is going down with uniform speed (3) the lift is going up with uniform speed (4) the lift is going down with an acceleration

Last Answer : the lift is going down with an acceleration

Assuming uniform density of the core, the acceleration due to gravity below the Earth's surface is A. inversely proportional to the square of the distance from the center of the Earth B. inversely proportional to the distance from the center of the Earth C. directly proportional to the square of the distance from the center of the Earth D. directly proportional to the distance from the center of the Earth

Description : Assuming uniform density of the core, the acceleration due to gravity below the Earth's surface is A. inversely proportional to the square of the distance from the center of the Earth ... center of the Earth D. directly proportional to the distance from the center of the Earth

Last Answer : directly proportional to the distance from the center of the Earth

Why is there no acceleration of an object moving at equal speed ? Explain ?

Description : Why is there no acceleration of an object moving at equal speed ? Explain ?

Last Answer : The rate of change of velocity is zero because the value of velocity of a moving object does not change. Due to this the acceleration is also zero. That is `a = (vu) / t = (vv) / t`

A satellite travels at a constant speed in a circular orbit. The acceleration of the satellite is w) zero x) toward the center of the orbit y) away from the center of the orbit z) at a tangent to the orbit

Description : A satellite travels at a constant speed in a circular orbit. The acceleration of the satellite is w) zero x) toward the center of the orbit y) away from the center of the orbit z) at a tangent to the orbit

Last Answer : ANSWER: X -- TOWARD THE CENTER OF THE ORBIT

Our weight will be zero under all of the following conditions EXCEPT a.107 dynes b.We are at the centre of the earth c.When we are ascending in a lift with acceleration of 4.9 m/s2 d.We are orbiting in a satellite e.When we are freely faling

Description : Our weight will be zero under all of the following conditions EXCEPT a.107 dynes b.We are at the centre of the earth c.When we are ascending in a lift with acceleration of 4.9 m/s2 d.We are orbiting in a satellite e.When we are freely faling

Last Answer : c. When we are ascending in a lift with acceleration of 4.9 m/s2

An artificial satellite stays in the orbit around the Earth because (a) The Earth’s gravity does not act on the satellite due to the great distance between them (b) The Earth’s attraction produces the necessary centripetal acceleration (c) The Earth’s attraction is balanced by the attraction of other planets (d) There is an engine in the satellite that constantly applies an upward force to balance its weight

Description : An artificial satellite stays in the orbit around the Earth because (a) The Earth's gravity does not act on the satellite due to the great distance between them (b) The Earth's attraction ... (d) There is an engine in the satellite that constantly applies an upward force to balance its weight

Last Answer : Ans:(b)

Why you always acceleration when you ride a merry-go-round even though the speed of the merry-go-round does not change?

Description : Why you always acceleration when you ride a merry-go-round even though the speed of the merry-go-round does not change?

Last Answer : Need answer

During planetary motion which of the following remains constant? a.Augular speed b.Linear velocity c.Angular acceleration d.Total angular momentum e.All of the above

Description : During planetary motion which of the following remains constant? a.Augular speed b.Linear velocity c.Angular acceleration d.Total angular momentum e.All of the above

Last Answer : b. Linear velocity

Explain whether there is acceleration of a rotating object at a balanced speed in a circular motion ?

Description : Explain whether there is acceleration of a rotating object at a balanced speed in a circular motion ?

Last Answer : : In a circular path, there is no acceleration of the rotating object at a balanced speed The rate of change of unequal velocity is called acceleration. So if the velocity is balanced , there will be no acceleration Be it in a circular way or in a straight way.

A ball tied with a string to a rotating shaft revolves at uniform speed. As the shaft is suddenly brought to rest, the string starts getting round the shaft with the angular velocity of the ball (a) increasing (b) decreasing (c) remaining constant (d) becoming zero

Description : A ball tied with a string to a rotating shaft revolves at uniform speed. As the shaft is suddenly brought to rest, the string starts getting round the shaft with the angular velocity of the ball (a) increasing (b) decreasing (c) remaining constant (d) becoming zero

Last Answer : Ans:(a)

In a 2700 m race around a round track of length 300m, abi and kabi meet at the end of the 3rd minute, for the first time after the start of the race. All the runners maintain uniform speed throughout the race. If abi runs at twice the speed of the kabi. Find the time taken by abi to finish the race. a) 27 mints b) 32 mints c) 5 mints d) 23 mints

Description : In a 2700 m race around a round track of length 300m, abi and kabi meet at the end of the 3rd minute, for the first time after the start of the race. All the runners maintain uniform speed throughout the race. ... time taken by abi to finish the race. a) 27 mints b) 32 mints c) 5 mints d) 23 mints

Last Answer : A As, abi is twice as fast as the kabi, abi would have completed two rounds by the time kabi completes one round. And that is their second meeting. Their first meeting takes place after the abi ... 300m ⇒He takes 2700/300 *3 =27 mints Hence he takes 27 minutes to finish the race.

A charged particle is rotating in uniform circular motion in a uniform magnetic field . Let r= radius of circule, v= speed of particle k = kinetic ene

Description : A charged particle is rotating in uniform circular motion in a uniform magnetic field . Let r= radius of circule, v= speed of particle k = kinetic ene

Last Answer : A charged particle is rotating in uniform circular motion in a uniform magnetic field . Let r ... angular speed. then match the following two columns.

A body in uniform motion with uniform speed–

Description : A body in uniform motion with uniform speed–

Last Answer : May have uniform velocity

What is the acceleration of a rocket if it is moving at the same speed ?

Description : What is the acceleration of a rocket if it is moving at the same speed ?

Last Answer : will be zero . That means acceleration , a = (vu) / t = (uu) / t = 0 / t = 0 m / s ^ 2 . So the acceleration of the rocket moving at the same speed will be zero.

A body moving in a circular path with a constant speed has a - (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement

Description : A body moving in a circular path with a constant speed has a - (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement

Last Answer : (3) constant kinetic energy Explanation: In circular motion, the magnitude of the velocity of the body is constant but the direction is constantly changing.

A body moving in a circular path with a constant speed has a – (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement

Description : A body moving in a circular path with a constant speed has a – (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement

Last Answer : (3) constant kinetic energy Explanation: In circular motion, the magnitude of the velocity of the body is constant but the direction is constantly changing. This means that, even though the speed is ... accelerating. At any instant, the direction of the velocity is a tangent to the circular path.

If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with– (1) constant speed (2) constant velocity (3) constant acceleration (4) varying acceleration

Description : If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with– (1) constant speed (2) constant velocity (3) constant acceleration (4) varying acceleration

Last Answer : (3) constant acceleration Explanation: In this case the given equation shows that that the velocity is linear with time and therefore the particle is moving with constant acceleration because for a ... acceleration the graph of the velocity time graph should be in linear with the time function.