A man throws a ball vertically upward and it rises through 20 m and returns to his hands. What was the initial velocity (u) of the ball and for how much time (T) it remained in the air `[g = 10 m//s^(2)]`A. `u = 10m//s, T = 2s`B. `u = 10m//s, T = 4s`C. `u = 20m//s, T = 2s`D. `u = 20m//s, T = 4s`

A man throws a ball vertically upward and it rises through 20 m and re

1.	A man throws a ball vertically upward and it rises through 20 m and returns to his hands. What was the initial velocity (u) of the ball and for how much time (T) it remained in the air `[g = 10 m//s^(2)]`A. `u = 10m//s, T = 2s`B. `u = 10m//s, T = 4s`C. `u = 20m//s, T = 2s`D. `u = 20m//s, T = 4s`
Answer» Correct Answer - D

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A man throws a ball vertically upward and it rises through 20 m and returns to his hands. What was the initial velocity (u) of the ball and for how much time (T) it remained in the air `[g = 10 m//s^(2)]`A. `u = 10m//s, T = 2s`B. `u = 10m//s, T = 4s`C. `u = 20m//s, T = 2s`D. `u = 20m//s, T = 4s`

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