Asked by suraj
A stone is dropped from a height of 10 m on an unknown planet having g = 20 m/s2.
Calculate the speed of the stone when it hits the surface of the planet. Also calculate the
time it takes to fall through this height
Calculate the speed of the stone when it hits the surface of the planet. Also calculate the
time it takes to fall through this height
Answers
Answered by
Henry
V^2 = Vo^2 + 2g*h = 0 + 40*10 = 400
V = 20 m/s.
0.5g*t^2 = 10 m.
10*t^2 = 10
t^2 = 1
t = 1 s.
Or
V = Vo + g*t = 20
V = 0 + 20t = 20
t = 1 s.
V = 20 m/s.
0.5g*t^2 = 10 m.
10*t^2 = 10
t^2 = 1
t = 1 s.
Or
V = Vo + g*t = 20
V = 0 + 20t = 20
t = 1 s.
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