Question

A stone is released from the top of a tower of height 19.6 m. Calculate its final velocity just before touching the ground.​

Answer 1

check the drawing.

ifitwas not clear reply

Answer 2

Data:

u=0m/s

s= 19.6m

g=9.8m/sec²

v=?

2gs=v²-u²

2gs+u²=v²

2×9.8×19.6 + (0)² = v²

384.16=v²

√384.16=v

√38416/100=v

√196×196/10×10=v

196/10 =v

19.6 m/sec=v