1.

A ball is thrown vertically upward with a velocity of 20 m/s. After 3s, the magnitude of its displacement is (take g =10 m/s2)_x005F_x000D_  _x005F_x000D_

A. 10 m
B. 15 m
C. 25 m
D. 20 m
Answer» C. 25 m


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