Question:
45. When a particle is projected vertically upwards, acceleration at the highest point is (a) zero (b) g upwards (c) g downward (d) None of these
Answer:
When a body is thrown vertically upwards, at the highest point only velocity is zero because the acceleration due to gravitational force is acting downward continuously and that is the reason for velocity being zero at the highest point, hence velocity is zero because of the acceleration.
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