A particle is thrown up vertically with a velocity of $50 m / s$ . What will be its velocity at its highest point of the journey?

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100 m / s

50 m / s

Zero

None of these

answer is C.

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Detailed Solution

The velocity of a particle thrown upwards will be zero at the highest point of its journey.
As the given object is thrown up at an initial velocity, it will reach a point of maximum height. After that, the object will descend due to the action of gravity. For any particle freely falling from a given height, its initial velocity will be zero. Thus, while going up, the particle takes up a particular time to reach the highest point, and it will travel down from that point, taking a given interval of time. Its initial velocity for the downward journey will be zero.

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