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प्रश्न
What term is used to denote the change of velocity with time ?
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उत्तर
Acceleration
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संबंधित प्रश्न
A bus decreases its speed from 80 km h−1 to 60 km h−1 in 5 s. Find the acceleration of the bus.
Fill in the following blank with suitable word :
Velocity is the rate of change of……………………… It is measured in.............. .
Fill in the following blank with a suitable word:
Acceleration is the rate of change of ______ It is measured in ______
When a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20 s, then retardation will be :
Give one example of following motion :
Variable acceleration
State how the velocity-time graph can be used to find
The acceleration of a body
Derive the following equations for uniformly accelerated motion:
(i) v = u + at
(ii) `"S = ut" + 1/2 "at"^2`
(iii) v2 = u2 + 2aS
where the symbols have their usual meanings.
What do you understand by the term acceleration?
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,
When will you say a body is at uniform acceleration?
