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प्रश्न
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उत्तर
Negative acceleration corresponds to situation when velocity is continuously decereasing with respect to the time.
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संबंधित प्रश्न
Define the term acceleration due to gravity. State its average value.
A body is moving vertically upwards. Its velocity changes at a constant rate from 50 m s−1 to 20 m s−1 in 3 s. What is its acceleration?
Figure shows the velocity-time graphs for two cars A and B moving in the same direction. Which car has greater acceleration? Give reasons to your answer.
A car traveling at 60 km/h, stops on applying brakes in 10 seconds. What is its acceleration?
Can you use the relation [B1]?
Interpret the following graph:
The graph shows how the velocity of a scooter varies with time in 50 s.
Work out: Deceleration
The rate of change of velocity is ______.
A boy throws a ball up and catches it when the ball falls back. In which part of the motion the ball is accelerating?
Assertion: Position-time graph of a stationary object is a straight line parallel to the time axis.
Reason: For a stationary object, the position does not change with time.
