A player throws a ball upwards with an initial speed of 30 m . How long does the ball take to return to the player's hands? (Take g = 10 m .)

Question

A player throws a ball upwards with an initial speed of 30 m $s^{- 1}$ . How long does the ball take to return to the player's hands? (Take g = 10 m $s^{- 2}$ .)

Smart Achievers · Accepted Answer

(2)

Let $t$ be the time taken by the ball to reach the highest point.

$s^{- 2}$

$∴$ $Time taken by the ball to return to player's hand = 3 s + 3 s = 6 s$

Solution

Q.
A player throws a ball upwards with an initial speed of 30 m $s^{- 1}$ . How long does the ball take to return to the player's hands (Take g = 10 m $s^{- 2}$ .)

1 3 s

2 6 s

3 9 s

4 12 s

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