Question

can a body have zero velocity but still be accelerating

Answer 1

Yes
When a body is thrown vertically upwards, then at the highest point, the body has zero velocity but the acceleration will be their due to the acceleration caused by gravity.

Answer 2

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◆Yes, when a body is projected vertically upwards, at the highest point of its path, the velocity of the body is zero but its acceleration is not zero, which is equal to acceleration due to gravity acting downwards.In S.H.M., at the extreme position, the velocity of the particle is zero but its acceleration is not zero.