A girl throws a ball at a vertical wall 4 m away . The ball is 2 m above the gro

Question

A girl throws a ball at a vertical wall 4 m away . The ball is 2 m above the ground when it leaves the girl's hand with an initial velocity v0= (10i+10j) m/s. When the ball hits the wall the horizontal component of it's velocity is reversed ; the vertical component remains unchanged . Where does the ball hit the ground A girl throws a ball at a vertical wall 4 m away . The ball is 2 m above the ground when it leaves the girl's hand with an initial velocity v0= (10i+10j) m/s. When the ball hits the wall the horizontal component of it's velocity is reversed ; the vertical component remains unchanged . Where does the ball hit the ground A girl throws a ball at a vertical wall 4 m away . The ball is 2 m above the ground when it leaves the girl's hand with an initial velocity v0= (10i+10j) m/s. When the ball hits the wall the horizontal component of it's velocity is reversed ; the vertical component remains unchanged . Where does the ball hit the ground

Explanation / Answer

Height at wall H = x*tan? - g*x

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