A girl throws a ball at a vertical wall 4 m away (Figure). The ball is 2 m above the ground when it leaves the girl's hand with an initial velocity of When the ball hits the wall, the horizontal component of its velocity is reversed; the vertical component remains unchanged. Where does the ball hit theground?
Answer to relevant QuestionsA boy uses a slingshot to project a pebble at a shoulder-height target 40 m away. He finds that to hit the target he must aim 4.85 m above the target. Determine the velocity of the pebble on leaving the slingshot and the ...It's the bottom of the ninth with two outs and the winning runs on base. You hit a knee-high fastball that just clears the leaping third baseman's glove. He is standing 28 m from you and his glove reaches to 3.2 m above the ...The velocities of objects A and B are shown in Figure. Draw a vector that represents the velocity of B relative toA.A worker on the roof of a house drops her hammer, which slides down the roof at a constant speed of 4 m/s. The roof makes an angle of 30° with the horizontal, and its lowest point is 10 m from the ground. What is the ...Suppose you can throw a ball a distance x0 when standing on level ground. How far can you throw it from a building of height h = x0 if you throw it at (a) 0°? (b) 30°? (c) 45°?
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