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Medgirl314
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Homework Statement
The moon is smaller than the Earth and has a weaker gravity. On the moon's surface, the acceleration due to gravity is 1.6 m/s^2. You are on the moon and you throw a moon rock straight up. It reaches a height of 44 m.
a) Find the moon rock's initial velocity.
b)Find the total time of the moon rock's flight.
Homework Equations
v0^2=v^2-2αΔy
t^2 =2y/a
The Attempt at a Solution
a) v0^2 =0-2(1.6 m/s^2)(44 m)
√v0^2=√140.8
v0=11.9 m/s
b)
t^2 =2y/a
t^2= 88 m/1.6 m/s^2
Taking the square roots of both sides:
t=55 s.
Are these answers correct? This is a newer concept to me, so input would be greatly appreciated!