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MCQ
A ball thrown vertically upward is caught by the thrower after 6 s. Its initial velocity is (g = 9.8 m/s^2):
Unit-2 Kinematics
A 58.8 m/s
B 14.7 m/s
C 9.8 m/s
D 29.4 m/s
Explanation

Total flight time = 2u/g, so u = g x 3 = 9.8 x 3 = 29.4 m/s.

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