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प्रश्न
The distance covered by a body is directly proportional to the square of the time elapsed. What can you say about its acceleration?
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उत्तर
This means the body has a positive acceleration.
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संबंधित प्रश्न
Define the term acceleration due to gravity. State its average value.
If a body is moving with a constant velocity its acceleration is ______.
A racing car is moving with a velocity of 50 m/s. On
applying brakes, it is uniformly retarded and comes to rest in 20 seconds. Calculate its acceleration.
A cyclist driving at 36 kmh−1 stops his motion in 2 s, by the application of brakes. Calculate
- retardation
- distance covered during the application of brakes.
The acceleration of a moving body is constant in magnitude and direction. Must the path of the body be a straight line?
If not, given an example.
Write the SI unit of acceleration and retardation.
Distinguish between uniformly and non-uniformly accelerated motions.
Interpret the following graph:
State whether true or false. If false, correct the statement.
Acceleration can get negative value also.
Acceleration is a scalar.
