How to do a, b, and c?
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This is a basic projectile based question now intial vel is u Ux( initial vel in x direction) =ucosø Uy=usinø since there is no force in the horizontal direction Vx( vel in x direction at any instant)= ucosø since there is g present opposite to the initial Uy direction Vy= usinø-gt i expained b part above only c) maginitude you can calculate by taking the resultant of Vx and Vy direction will be given by tan∅= Vy/Vx if you find any further doubt comment
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