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प्रश्न
State if the following situation is possible:
A body moving with a constant velocity in an accelerated motion.
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उत्तर
No in an accelerated motion a body cannot have a constant velocity.
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संबंधित प्रश्न
What is meant by the term retardation? Name its S.I. unit.
When is the acceleration due to gravity positive?
Draw velocity – time graph for the following situation:
When a body is moving with variable velocity, but uniform retardation.
From the diagram given below, calculate acceleration.
Define acceleration.
A car accelerates to a velocity of 30 m/s in 10 s and then decelerates for 20 s so that it stops. Draw a velocity-time graph to represent the motion and find:
The acceleration.
Negative acceleration is called ______.
m/s2 is the unit of ______.
An object can be moving with uniform speed but with variable acceleration.
Assertion: A negative acceleration of a body can be associated with speeding up of the body.
Reason: Increase in the speed of a moving body is independent of its direction of motion.
