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

1 Answer

Answer :

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

Related questions

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!

Description : Terminal velocity is (A) A constant velocity with no acceleration (B) A fluctuating velocity (C) Attained after moving one-half of total distance (D) None of these

Last Answer : (A) A constant velocity with no acceleration

Description : A car starts from rest and moves on a straight road with a uniform acceleration of 10 m/s2 for the first 10 s. During the next 10 s, the car move s with the velocity it has attained. What is the total distance covered by the car in 20 s? (a) 500 m (b) 1000 m (c) 1,500 m (d) 2,000 m

Last Answer : Ans:(c)

Description : A particle moving in a straight line covers half the distance with speed of 3 m/s. The other half of the distance covered in two equal time intervals

Last Answer : A particle moving in a straight line covers half the distance with speed of 3 m/s. The other half of the distance covered ... /s C. 5.5 m/s D. 4.8 m/s

Description : At time t=0, a body has a velocity of 5 meters per second, EASTWARD; at time t=2 seconds, its velocity is 7 meters per second WESTWARD. What is the MAGNITUDE of the body's average acceleration? 

Last Answer : ANSWER: 6 METERS PER SECOND SQUARED

Description : A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that (a) Its ... ) Its acceleration is constant (c) Its kinetic energy is constant (d) It moves in a circular path

Last Answer : Ans:(d)

Description : The velocity-time graph shows the motion of a cyclist. Find (i) its acceleration (ii) its velocity (iii) the distance covered by the cyclist in 15 seconds Numerical Questions and answers on Motion for Class 9 physics -Science

Last Answer : (i) We can see from the graph that velocity is not changing So,acceleration is equal to zero. (ii) By Reading the graph, velocity = 20 m/s (iii) Distance covered in 15 seconds, s=u×t=20×15=300s=u×t=20×15=300 m

Description : Distance travelled by a body in time ‘t’ is A. instantaneous speed B. average velocity C. average acceleration D. instantaneous acceleration

Last Answer : average velocity

Description : The distance moved and the magnitude of displacement are equal in ? (a) The earth is revolving around the Sun (b) Object moving in circular path (c) The pendulum is moving to and fro (d) Object moving on straight road -Science

Last Answer : (d) only. Distance and displacement in all other cases

Description : In the impact problems the following conditions must always be satisfied a.The total kinetic energy remains unchanged b.The total linear momentum remains unchanged c.The magnitude of the total linear ... is reduced by a factor proportional to the coefficient of restitution e.None of the above

Last Answer : b. The total linear momentum remains unchanged

Description : What is the nature of velocity versus time in the case of an object moving at a steady acceleration from a stationary position ?

Last Answer : In the case of an object moving at a steady acceleration from a stationary position, the velocity versus the time line will be a straight line to the point.

Description : A ……average of a stock index is the average level of the index over a given interval of time a. static b. moving c. gross d. net

Last Answer : Answer:b

Description : Explain the velocity-tune graphs of an object: i) Moving with zero acceleration.  ii) Moving with constant positive acceleration. 

Last Answer : Explain the velocity-tune graphs of an object: i) Moving with zero acceleration. ii) ... acceleration. iv) Moving with non-uniform acceleration.

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

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

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.

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 : constant acceleration

Description : An object in equilibrium always has zero: w) velocity x) momentum y) mass z) acceleration.

Last Answer : ANSWER: Z -- ACCELERATION

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`

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

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.

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.

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 : constant kinetic energy

Description : If the velocity of an object is tripled its kinetic energy is multiplied by?

Last Answer : What is the answer ?

Description : The slope of a velocity-time graph represents – (1) acceleration (2) displacement (3) distance (4) speed

Last Answer : (1) acceleration Explanation: A plot of velocity-time is used to determine the acceleration of an object (the slope). If the acteleration is zero, then the velocity-time graph is a horizontal line (i.e ... is positive, then the line is an upward sloping line (i.e., the slope is positive).

Description : The slope of a velocity-time graph represents (1) acceleration (2) displacement (3) distance (4) speed

Last Answer : acceleration

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

Description : A body which is attached to a spring undergoes simple harmonic motion. The magnitude of the body's acceleration is: w) constant x) proportional to its displacement from its equilibrium position y) zero z) always increasing.

Last Answer : ANSWER: X -- PROPORTIONAL TO ITS DISPLACEMENT FROM ITS EQUILIBRIUM POSITION 

Description : 9. One-half of a convex lens is covered with a black paper. Will this lens produce a complete image of the object? Verify your answer experimentally. Explain your observations. -Physics-10

Last Answer : Yes, it will produce a complete image of the object, as shown in the figure. This can be verified experimentally by observing the image of a distant object like a tree on a screen when the ... the lens is covered with a black paper. However, the intensity or brightness of the image will reduce.

Description : The rate of change of displacement is called: (1) Acceleration (2) Speed (3) Distance (4) Velocity

Last Answer : (4) Velocity Explanation: In considering motions of objects over time the instantaneous velocity of the object is the rate of change of the displacement as a function of time.

Description : Speed of a body in particular direction can be called A. acceleration B. displacement C. velocity D. distance

Last Answer : velocity

Description : What is the meaning of the term velocity factor of a transmission line? A. The ratio of the characteristic impedance of the line to the terminating impedance B. The index of shielding for coaxial ... The velocity of the wave on the transmission line divided by the velocity of light in a vacuum.

Last Answer : D. The velocity of the wave on the transmission line divided by the velocity of light in a vacuum.

Description : What is the meaning of the term velocity factor of a transmission line? A. The index of shielding for coaxial cable B. The velocity of the wave on the transmission line multiplied by the velocity of ... The velocity of the wave on the transmission line divided by the velocity of light in a vacuum

Last Answer : D. The velocity of the wave on the transmission line divided by the velocity of light in a vacuum

Description : A car starts from rest and moves with constant acceleration. In first t seconds it covers distance x. Then distance covered by it in next t seconds wi

Last Answer : A car starts from rest and moves with constant acceleration. In first t seconds it covers distance x. Then distance covered ... x B. 2 x C. 3 x D. 4 x

Description : A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec  is most nearly  (A) 38 m  (B) 62.5 m  (C) 96 m  (D) 124 m

Last Answer : (B) 62.5 m 

Description : If a sled has a constant acceleration of 2 meters per second squared and starts from rest, the distance in meters that it will have covered after 5 seconds is: w) 10 meters x) 20 meters y) 25 meters z) 50 meters

Last Answer : ANSWER: Y -- 25 METERS

Description : A ball is thrown vertically upwards from the ground with a speed of 80 feet/second. In the English system of units, what is the magnitude and direction of the acceleration of the ball? 

Last Answer : ANSWER: 32 FEET PER SECOND SQUARED DOWN or TOWARDS THE EARTH  

Description : A toy train moves in a circle of 8 meters radius with a speed of 4 meters per second. What is the magnitude of the acceleration of the train?

Last Answer : ANSWER: 2 METERS PER SECOND SQUARED

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)

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)

Description : In case of laminar flow of fluid through a circular pipe, the (A) Shear stress over the cross-section is proportional to the distance from the surface of the pipe (B) Surface of velocity distribution is a ... occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)

Last Answer : (B) Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the volume of circumscribing cylinder

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)

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.

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

Description : If the velocity of moving vehicles on a road is 24 km/per hour, stopping distance is 19 metres and average length of vehicles is 6 metres, the basic capacity of lane, is (A) 500 vehicles per hour (B) 700 vehicles per hour (C) 1000 vehicles per hour (D) 1250 vehicles per hour

Last Answer : Answer: Option C

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

Description : A object moves with uniform positive acceleration. Its velocity-time graph will be (a) A straight line parallel to the time axis (b) A straight line inclined at an obtuse angle to the time axis (c) A straight line inclined at an acute angle to the time axis (d) None of these. -Science

Last Answer : Answer is (c)

Description : Over taking time required for a vehicle with design speed 50 km ph and overtaking acceleration 1.25 m/sec2 to overtake a vehicle moving at a speed 30 km ph, is (A) 5.0 secs (B) 6.12 secs (C) 225.48 secs (D) 30 secs

Last Answer : Answer: Option B

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