Physics, asked by zarakhan37, 8 months ago

a stone falls from a wall of certain height and reaches earth in 4 seconds what would be the speed of stone when it strikes the earth

Answers

Answered by greechu263

2

Answer:

78.4m/s

Explanation:

u=0

t=4s

g=9.8ms-2

s=1/2gt^2

s=1/2*9.8*4*4

s=4.9*16

s=78.4m/s

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