A body of mass 20g projected vertically upwards in vacuum returns to the point of projection after 1.2s. [g = 10ms\(^{-2}\)]. Calculate the speed of projection
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Correct Answer: Option B
Explanation:
V = u - gt
u = v + gt
= 0 + 10 x 0.6
= 6ms\(^{-1}\)
V = u - gt
u = v + gt
= 0 + 10 x 0.6
= 6ms\(^{-1}\)