A girl throws a ball at a vertical wall 4 m away as shown in Figure. The ball is 2 m above ground when it leaves the girl's hand with an initial velocity of ??⃗0 = (10 ??/??)(??̂+ ??̂) or 10√2 ??/?? at 45º. When the ball hits the wall, the horizontal component of its velocity is reversed; the vertical component remains unchanged. Where does the ball hit the ground?

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ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A girl throws a ball at a vertical wall 4 m away as
shown in Figure. The ball is 2 m above ground when
it leaves the girl's hand with an initial velocity of
??⃗0 = (10 ??/??)(??̂+ ??̂) or 10√2 ??/?? at 45º. When the
ball hits the wall, the horizontal component of its
velocity is reversed; the vertical component remains
unchanged. Where does the ball hit the ground?

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