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प्रश्न
Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance.
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उत्तर
Speed is obtained by dividing 'distance travelled' by 'time taken' to travel that distance.
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संबंधित प्रश्न
Name the physical quantity which gives us an idea of how slow or fast a body is moving.
Under which condition is the magnitude of average velocity equal to average speed ?
A motorcyclist drives from place A to B with a uniform speed of 30 km h-1 and returns from place B to A with a uniform speed of 20 km h-1. Find his average speed.
A ball hits a wall horizontally at 6.0 m s-1. It rebounds horizontally at 4.4 m s-1. The ball is in contact with the wall for 0.040 s. What is the acceleration of the ball ?
Give one example of a motion where an object does not change its speed but its direction of motion changes continuously.
One of the following is not a vector quantity. This one is :
A car is moving in a straight line with speed 18 km h-1. It is stopped in 5 s by applying the brakes. Find:
- the speed of car in m s-1
- the retardation and
- the speed of car after 2 s of applying the brakes.
From the displacement-time graph of a cyclist given below in the Figure, find The average velocity in the first 4 s.

The velocity-time graph of a moving body is given below in Figure

The acceleration in parts AB, BC and CD.
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.

