Question

A ballon is going upwards with velocity of 12 m/s. It releases a packet when it is at a height of 65m from the ground.calculate the time taken for the packet to reach the ground.
plz help.

Answer 1

H = gt²/2 ==> t = √(2H/g) = √(2*65/9.8) ≈ 3.6422s.