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प्रश्न
Fill in the following blank with suitable word :
Velocity is the rate of change of……………………… It is measured in.............. .
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उत्तर
Velocity is the rate of change of displacement, It is measured in m/s .
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संबंधित प्रश्न
Which of the two can be zero under certain conditions : average speed of a moving body or average velocity of a moving body ?
Give one example of a situation in which a body has a certain average speed but its average velocity is zero.
What term is used to denote the change of velocity with time ?
What conclusion can you draw about the velocity of a body from the displacement-time graph shown below :
Find the initial velocity of a car which is stopped in 10 seconds by applying brakes. The retardation due to brakes is 2.5 m/s2.
A bus running at a speed of 18 km/h is stopped in 2.5 seconds by applying brakes. Calculate the retardation produced.
A bus was moving with a speed of 54 km/h. On applying brakes it stopped in 8 seconds. Calculate the acceleration.
If a stone and a pencil are dropped simultaneously in vacuum from the top of a tower, then which of the two will reach the ground first? Give reason.
A car starting from rest acquires a velocity 180m s-1 in 0.05 h. Find the acceleration.
How can you find the following?
Velocity from acceleration – time graph.
