Question

A ballon tied with a
piece of
wooden
15 in/is moving upward with Velocity
height of 300m
above the ground, the wooden piece is detached
How much time will it take to reach the ground​

Answer 1

Answer:

s = u t + 1/2 g t^2

s is the height above ground, 300 m.

u is initial vertical velocity, zero.

t is time to reach the ground.

g is acceleration of gravity near Earth, 9.8 m/s^2.

300 m = 0 t + 1/2 (9.8 m/s^2) t^2

300 m = (4.9 m/s^2) t^2

61.22 s^2 = t^2

7.82 seconds

Explanation:

Hope this will help you