What does the speed of an object moving at unequal speed depend on ?

What does the speed of an object moving at unequal speed depend on ?
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What does the velocity of an object moving at unequal speed depend on ?
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What is unequal speed ?

Description : What is unequal speed ?

Last Answer : : If the velocity of an object changes in the past tense, that is, if it does not cross the same path at the same time, then the velocity of that object is called unequal velocity.

What is unequal speed ?

Description : What is unequal speed ?

Last Answer : If the direction and value of velocity of a moving object changes, then its velocity is called unequal velocity.

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.

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

An object moving in a circle of radius ‘r’ with a constant speed ‘v’ has a constant acceleration towards the center equal to A. v²⁄r B. v⁄r C. v²×r D. v×r

Description : An object moving in a circle of radius ‘r’ with a constant speed ‘v’ has a constant acceleration towards the center equal to A. v²⁄r B. v⁄r C. v²×r D. v×r

Last Answer : v²⁄r

Object moving along a circular path is A. in equilibrium B. not in equilibrium C. not moving with constant speed D. in random motion

Description : Object moving along a circular path is A. in equilibrium B. not in equilibrium C. not moving with constant speed D. in random motion

Last Answer : not in equilibrium

What does the inertia of an object depend on ?

Last Answer : The inertia of an object depends on its mass.

What describes unequal forces acting on an object?

Description : What describes unequal forces acting on an object?

Last Answer : If the sum of all forces acting on one object is not exactlyzero, the forces are said to be unbalanced. In that case, theobject will accelerate.

What does the speed of sound depend on ?

Description : What does the speed of sound depend on ?

Last Answer : The speed of sound depends on the density , nature , temperature and humidity of the medium. As the density and temperature increase, the speed of sound increases. For example, with an increase in ... . The velocity of sound through air is lowest and the velocity of sound through zero is zero.

Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? (1) The heavier mass will reach greater height (2) The lighter mass will reach greater height (3) Both will reach the same height (4) Any of them may reach greater height

Description : Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? (1) The heavier mass will reach greater height (2) The lighter mass will reach greater height (3) Both will reach the same height (4) Any of them may reach greater height

Last Answer : (3) Both will reach the same height Explanation: Galileo's experiment showed that if two bodies of unequal masses are dropped from the same height, the time required by them to reach the ground are equal ... reach the ground is equal to unity. This means that both of them will reach the same height.

Minimum numbers of unequal vectors which can give zero resultant are - (1) Two (2) Three (3) Four (4) More than four

Description : Minimum numbers of unequal vectors which can give zero resultant are - (1) Two (2) Three (3) Four (4) More than four

Last Answer : (2) three Explanation: Minimum number of unequal vectors which can give three zero resultants.

The minimum number of forces with unequal magnitudes whose vector sum can equal zero is: w) 1 x) 2 y) 3 z) 4

Description : The minimum number of forces with unequal magnitudes whose vector sum can equal zero is: w) 1 x) 2 y) 3 z) 4

Last Answer : ANSWER: Y -- 3

Two hockey pucks, of unequal mass and connected by a spring of negligible mass, rest on a horizontal frictionless surface. The spring is released, and the pucks move apart. The center of mass of the two pucks does one of the following. Does it: w) move in a circle x) move in the direction of the greater mass y) remain stationary z) move in the direction of the smaller mass

Description : Two hockey pucks, of unequal mass and connected by a spring of negligible mass, rest on a horizontal frictionless surface. The spring is released, and the pucks move apart. The center of mass of ... the direction of the greater mass y) remain stationary z) move in the direction of the smaller mass

Last Answer : ANSWER: Y -- REMAIN STATIONARY

Two waves of equal wavelength will interfere destructively most effectively under one of the following conditions. Will the interference be most effective when the waves are: w) in phase and have equal amplitudes x) in phase and have unequal amplitudes y) 180 degrees out of phase and have equal amplitudes z) 180 degress out of phase and have unequal amplitudes

Description : Two waves of equal wavelength will interfere destructively most effectively under one of the following conditions. Will the interference be most effective when the waves are: w) in phase and have equal ... of phase and have equal amplitudes z) 180 degress out of phase and have unequal amplitudes

Last Answer : ANSWER: Y -- 180 DEGREES OUT OF PHASE AND HAVE EQUAL AMPLITUDES  

Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? (1) The heavier mass will reach greater height (2) The lighter mass will reach greater height (3) Both will reach the same height (4) Any of them may reach greater height

Description : Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? (1) The heavier mass will reach greater height (2) The lighter mass will reach greater height (3) Both will reach the same height (4) Any of them may reach greater height

Last Answer : Both will reach the same height

What effects on its surroundings do you expect from an object moving at relativistic speeds?

Description : What effects on its surroundings do you expect from an object moving at relativistic speeds?

Last Answer : Grumpyfish is no physicist, but accelerating something only increases its effective mass, not its actual mass. So you shouldn’t see any increase in local gravity effects.

Two objects A and B are moving with same momentum. Mass of object 'B' is greater then mass of object 'A'. Which of the two object will have higher kinetic energy? -Physics

Description : Two objects A and B are moving with same momentum. Mass of object 'B' is greater then mass of object 'A'. Which of the two object will have higher kinetic energy? -Physics

Last Answer : Let m1​ and m2​ be the masses of the body Let m1​>m2​Given that m1​v1​=m2​v2​v2​v1​​=m1​m2​​∴ Ratio between their kinetic energies , =K2​K1​​=21​m2​v22​21​m1​v12​​⟹K2​K1​​=m2​m1​​×m12​

What is the acceleration of a moving object ? Explain. ?

Description : What is the acceleration of a moving object ? Explain. ?

Last Answer : An object moving at the same speed ‍ there is no change in the initial velocity ( u) and the end velocity ( v) at any given time. We know that the rate at which an object changes over time is called acceleration. Acceleration , a = v-ut = u-ut = 0t = o So there is no acceleration of a moving object.

Explain the acceleration of an object moving in a circular path. ?

Description : Explain the acceleration of an object moving in a circular path. ?

Last Answer : We know that the acceleration of an object moving in a circular path is called angular acceleration. That is, the rate of change of velocity of an object moving in a circular path with time is called angular acceleration.

What is a moving object ?

Description : What is a moving object ?

Last Answer : When an object changes position with the passage of time, it is called a moving object. And this phenomenon of change of position is called motion.

What is the initial velocity of an object if it is moving 10 meters per second after 2 seconds with a constant acceleration of 4 meters per second squared?

Description : What is the initial velocity of an object if it is moving 10 meters per second after 2 seconds with a constant acceleration of 4 meters per second squared?

Last Answer : ANSWER: 2 METERS PER SECOND

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

A car and lorry are both moving with equal kinetic energy. If equal breaking force is applied on both, then before coming to rest the (a) Car will cover a greater distance (b) Lorry will cover a greater distance (c) Both will cover the same distance (d) The distance covered by them will depend only on their respective velocities

Description : A car and lorry are both moving with equal kinetic energy. If equal breaking force is applied on both, then before coming to rest the (a) Car will cover a greater distance (b) Lorry ... will cover the same distance (d) The distance covered by them will depend only on their respective velocities

Last Answer : Ans:(c)

can average speed of a moving object be zero -Physics 9th

Description : can average speed of a moving object be zero -Physics 9th

Last Answer : Answer : No Explaination Speed is the distance travelled in the given time. Distance can never be zero. Therefore, average speed will always be a positive value and will not be zero. Speed is a scalar quantity and has only magnitude.

What is the term for the area of wave compressions produced by sounds from object moving faster than the speed of sound?

Description : What is the term for the area of wave compressions produced by sounds from object moving faster than the speed of sound?

Last Answer : sound barrier

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`

What centripetal force is needed to keep a kg object moving at a constant speed of ms in a circle having a radius of 4 m?

Description : What centripetal force is needed to keep a kg object moving at a constant speed of ms in a circle having a radius of 4 m?

Last Answer : What is the answer ?

An object moving around in a circle is moving with a (a) Uniform velocity (b) Uniform speed (c) Variable velocity (d) Variable speed

Description : An object moving around in a circle is moving with a (a) Uniform velocity (b) Uniform speed (c) Variable velocity (d) Variable speed

Last Answer : Ans:(b)

The average speed of a moving object during a given interval of time is always: A. the magnitude of its average velocity over the interval B. the distance covered during the time interval divided by the time interval (Answer) C. one-half its speed at the end of the interval D. its acceleration multiplied by the time interval E. one-half its acceleration multiplied by the time interval

Description : The average speed of a moving object during a given interval of time is always: A. the magnitude of its average velocity over the interval B. the distance covered during the time ... its acceleration multiplied by the time interval E. one-half its acceleration multiplied by the time interval

Last Answer : B. the distance covered during the time interval divided by the time interval (Answer)

Air resistance ______ with an increase in the speed of the object moving through it. a) increases b)decreases c)remains same d)no change

Description : Air resistance ______ with an increase in the speed of the object moving through it. a) increases b)decreases c)remains same d)no change

Last Answer : a) increases

What do vertical component of the projectile motion of an object depend on?

Description : What do vertical component of the projectile motion of an object depend on?

Last Answer : Both of these

Radiation heat transfer rates does not depend upon the (A) Type of absorbing surface (B) Distance between the heat source and the object receiving the heat (C) Surface area and temperature of the heat source (D) None of these

Description : Radiation heat transfer rates does not depend upon the (A) Type of absorbing surface (B) Distance between the heat source and the object receiving the heat (C) Surface area and temperature of the heat source (D) None of these

Last Answer : (D) None of these

Kinetic energy depends on – (1) the velocity or speed of the moving body. (2) the mass of the moving body (3) the pressure of the moving body (4) both mass and velocity of the moving body

Description : Kinetic energy depends on – (1) the velocity or speed of the moving body. (2) the mass of the moving body (3) the pressure of the moving body (4) both mass and velocity of the moving body

Last Answer : (4) both mass and velocity of the moving body Explanation: Kinetic energy is the energy associated with the movement of objects. The amount of kinetic energy that an object has depends upon two variables: the mass (m) of the object and the speed (v) of the object.

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.

A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. (1) The ball falls – (2) Behind him (3) In front of him (4) Into his hand

Description : A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. (1) The ball falls – (2) Behind him (3) In front of him (4) Into his hand

Last Answer : (1) Behind him Explanation: The moment ball is thrown, it is moving with the velocity of the car. According to the inertia of motion it will continue to move in the same direction with the same ... is not possible to neglect the resistance caused by air friction. So, the ball will fall behind him.

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.

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.

A white ball of mass 1.0 kg moving with initial speed u = 0.5 m s-1 collides with stationary red ball of same mass, they move forward making angle of 90° between their paths. Their speed is A. 1 m s-1 B. 0.354 m s-1 C. 2 m s-1 D. 3 m s-1

Description : A white ball of mass 1.0 kg moving with initial speed u = 0.5 m s-1 collides with stationary red ball of same mass, they move forward making angle of 90° between their paths. Their speed is A. 1 m s-1 B. 0.354 m s-1 C. 2 m s-1 D. 3 m s-1

Last Answer : 0.354 m s-1

Momentum of two objects moving with same speed but in opposite direction upon collision is A. increased B. decreased C. is zero D. is infinite

Description : Momentum of two objects moving with same speed but in opposite direction upon collision is A. increased B. decreased C. is zero D. is infinite

Last Answer : is zero

In a springy collision, if the fast moving trolley collides with a slow one, then the fast one will bounce back at speed of A. slow one B. less than slow one C. more than slow one D. with the same speed as before

Description : In a springy collision, if the fast moving trolley collides with a slow one, then the fast one will bounce back at speed of A. slow one B. less than slow one C. more than slow one D. with the same speed as before

Last Answer : slow one

Bernoulli's principle shows that, at points in a moving fluid where the potential energy change is very small A. the pressure is low where the velocity is low and similarly, the pressure is high where the velocity is high B. the pressure is low where the velocity is high and conversely, the pressure is high where the velocity is low C. pressure becomes independent of the velocity of the moving fluid D. pressure remain independent of the speed of the stationary fluid

Description : Bernoulli's principle shows that, at points in a moving fluid where the potential energy change is very small A. the pressure is low where the velocity is low and similarly, the pressure is ... of the moving fluid D. pressure remain independent of the speed of the stationary fluid

Last Answer : the pressure is low where the velocity is high and conversely, the pressure is high where the velocity is low

Force on a moving charge in a uniform magnetic field depends uponA. magnetic flux density B. the charge on the particle C. the speed of particle D. all of above

Description : Force on a moving charge in a uniform magnetic field depends uponA. magnetic flux density B. the charge on the particle C. the speed of particle D. all of above

Last Answer : all of above

A freight car weighing 20 tons and moving at a speed of 7 miles per hour on a horizontal track collides and couples with a stationary car that weighs 15 tons. Neglecting friction, determine the velocity of the coupled cars.

Description : A freight car weighing 20 tons and moving at a speed of 7 miles per hour on a horizontal track collides and couples with a stationary car that weighs 15 tons. Neglecting friction, determine the velocity of the coupled cars.

Last Answer : ANSWER: 4 MILES PER HOUR

An electron and a proton are moving at the same speed in circular paths in the same uniform magnetic field. The radius of the path of the proton is one of the following. Is this radius: w) the same as that of the electron x) about 2000 times larger than that of the electron y) a little larger than that of the electron z) smaller than that of the electron

Description : An electron and a proton are moving at the same speed in circular paths in the same uniform magnetic field. The radius of the path of the proton is one of the following. Is this radius: w) the same ... of the electron y) a little larger than that of the electron z) smaller than that of the electron

Last Answer : ANSWER: X -- ABOUT 2000 TIMES LARGER THAN THAT OF THE ELECTRON

When the speed of a train moving on a circular track is doubled, the centripetal force acting on the train does one of the following. Does the force: w) remain the same x) increase by a factor of 2 y) increase by a factor of 4 z) increase by a factor of 8

Description : When the speed of a train moving on a circular track is doubled, the centripetal force acting on the train does one of the following. Does the force: w) remain the same x) increase by a factor of 2 y) increase by a factor of 4 z) increase by a factor of 8

Last Answer : ANSWER: Y -- INCREASE BY A FACTOR OF 4

A car with a mass of 1000 kilogram is moving at a speed of 10 meters per second. The kinetic energy of the car is: w) 100 Joules x) 5000 Joules y) 10,000 Joules z) 50,000 Joules

Description : A car with a mass of 1000 kilogram is moving at a speed of 10 meters per second. The kinetic energy of the car is: w) 100 Joules x) 5000 Joules y) 10,000 Joules z) 50,000 Joules

Last Answer : ANSWER: Z -- 50,000 JOULES

The crack of a bullwhip results from the bullwhip's tip: w) approaching the speed of sound x) exceeding the speed of sound y) moving with constant velocity z) none of the above

Description : The crack of a bullwhip results from the bullwhip's tip: w) approaching the speed of sound x) exceeding the speed of sound y) moving with constant velocity z) none of the above

Last Answer : ANSWER: X -- EXCEEDING THE SPEED OF SOUND

Two bodies of equal mass are moving in circular paths at equal speed. The first body moves in a circle whose radius is twice as great as that of the second. The ratio of the centripetal or radial acceleration of the first body to that of the second is: w) 1 to 4 x) 1 to 3 y) 1 to 2 z) 1 to 1

Description : Two bodies of equal mass are moving in circular paths at equal speed. The first body moves in a circle whose radius is twice as great as that of the second. The ratio of the centripetal or radial acceleration of the first body to that of the second is: w) 1 to 4 x) 1 to 3 y) 1 to 2 z) 1 to 1

Last Answer : ANSWER: Y -- 1 TO 2

Two bodies are moving in circular paths of equal radii. If the speed of the first body is twice that of the second, the centripetal acceleration of the first body is how many times greater than that of the second body?

Description : Two bodies are moving in circular paths of equal radii. If the speed of the first body is twice that of the second, the centripetal acceleration of the first body is how many times greater than that of the second body?

Last Answer : ANSWER: 4

A car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop in 10 seconds. The mass of the car is: w) 1250 kilograms x) 2500 kilograms y) 5000 kilograms z) 10,000 kilograms

Description : A car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop in 10 seconds. The mass of the car is: w) 1250 kilograms x) 2500 kilograms y) 5000 kilograms z) 10,000 kilograms

Last Answer : ANSWER: X -- 2500 KILOGRAMS