Question

a stone is dropped from a height of 20 meter- how long will it take to touch the ground​

Answer 1

Answer:

by applying

h = 1/2gt²

t² = 2h/g

t² = 2×20/10 (put g =10m/s²)

t² = 40/10=4

t²= 4

t = /4

t= 2 second

Hope it helps you buddy!

Answer 2

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