Question

can a particle be accelerated if it speed is constant

Answer 1

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ACCELERATION:
the acceleration is the rate of change of velocity. Means that the change in the magnitude of velocity with respect to change in time ,the acceleration occurs. Hence the acceleration does not take place when there is a constant speed or velocity.

IN ONE CASE WE CAN SAY THAT THE ACCELERATION IS THERE WITH ZERO VELOCITY:
When we throw a ball upwards, the ball will stop at a particular point where the v=0 and the acceleration due to gravity is present in that point.

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