A ball is thrown vertically upward with the speed of 19.6 m/sec.Find the speed of ball after 3 second.
A. - 8.9m/s
B. 5.6m/s
C. -9.8 m/s
D. 19.6 m/s
E. None of these
(with solution)..
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V = u+at
V =19.6+(-9.8)×3
V=19.6-29.4
V=9.8 m/s
V =19.6+(-9.8)×3
V=19.6-29.4
V=9.8 m/s
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