A rock, dropped from rest near the surface of an atmosphere-free planet, attains a speed of 20.0 m/s after falling 8.0 meters.
-Determine the speed of the object after falling from rest through 16 m on this planet.
A)28 m/s
B)32 m/s
C)56 m/s
D)64 m/s
E)320 m/s

Question

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The Answer of A rock, dropped from rest near the surface of an atmosphere-free planet, attains a speed of 20.0 m/s after falling 8.0 meters.
-Determine the speed of the object after falling from rest through 16 m on this planet.
A)28 m/s
B)32 m/s
C)56 m/s
D)64 m/s
E)320 m/s

A Rock, Dropped from Rest near the Surface of an Atmosphere-Free