Question

Answer the question given in Attachment​

Answer 1

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In horizontal projection of a projectile, the force of gravity acta in a vertically downward direction which cannot affect the horizontal component velocity of the body. Due to it , the body moves with a constant horizontal velocity in horizontally projected body.

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Answer 2

Answer:

making it clear and simple, it is bcz force of gravity is a force acting vertically downwards and hence it only affects the vertical motions and not the horizontal one