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Mathematics, 08.01.2021 18:30 fatumasiraj

A ball is projected vertically upward from the surface of the earth with an initial speed of 49 meters per second. The ball reaches its maximum height in 5.0s. What is the vertical velocity of the ball when it strikes the ground A. 0 m/s
B. -9.8m/s
C. 49m/s
D.-49m/s

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