Question

a stone is dropped from a plane at height of 78.4 meters. what time it will take to fall on the earth and with what velocity it will strike the ground?​

Answer 1

Answer:

Velocity , V^2=2×g×7840 cgs unit

V=(15366400)^(1÷2)

V=3920 cm/s

time , T=V/g=3920÷980=4s

while striking the ground