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प्रश्न
Give one example of the following motion:
Uniform retardation
उत्तर
Uniform retardation - Motion of a vehicle, reaching a destination.
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संबंधित प्रश्न
Define the term acceleration due to gravity. State its average value.
The unit of retardation is ____________
A train starts from rest and accelerates uniformly at a rate of 2 m s-2 for 10 s. It then maintains a constant speed for 200 s. The brakes are then applied and the train is uniformly retarded and comes to rest in 50 s. Find
(i) The maximum velocity reached,
(ii) The retardation in the last 50 s,
(iii) The total distance travelled,
(iv) The average velocity of the train.
A motor bike running at 90 kmh−1 is slowed down to 18 kmh−1 in 2.5 s. Calculate
- acceleration
- distance covered during slow down.
Write the SI unit of acceleration and retardation.
Figure represents graphically the velocity of a car moving along a straight road over a period of 100 hours.
Calculate the acceleration along AB and the retardation along BC.
The rate of change of velocity is ______.
Exercise Problem.
A racing car has a uniform acceleration of 4 ms–2. What distance it covers in 10 s after the start?
A boy throws a ball up and catches it when the ball falls back. In which part of the motion the ball is accelerating?
Acceleration is defined as the rate of change of ______.
