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प्रश्न
What is the relation between distance and time when the body is moving with variable velocity?
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उत्तर
When a body moves with variable velocity, then the body covers the unequal distance in an equal interval of time in a specified direction.
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संबंधित प्रश्न
What is the Differnece between speed and velocity ?
Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance.
In addition to speed, what else should we know to predict the position of a moving body ?
Arrange the following speed in increasing order (keeping the least speed first):
An athlete running with a speed of 10 m/s.
An aircraft travelling at 600 km/h accelerates steadily at 10 km/h per second. Taking the speed of sound as 1100 km/h at the aircraft’s altitude, how long will it take to reach the ‘sound barrier’ ?
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
How long does it take to travel 240 m ?
What do you mean by motion in one direction?
The velocity-time graph of a moving body is given below in Figure
Total displacement.
A train is moving with a velocity of 90 km h-1 . It is brought to stop by applying the brakes which produce a retardation of 0.5 ms-2 Find :
(i) The velocity after 10 s , and
(ii) the time taken by the train to come to rest .
Define average velocity and give one example.
