Author Question: An object at rest near the surface of a distant planet starts to fall freely. If the acceleration ... (Read 151 times)

roselinechinyere27m · **on:** Jul 29, 2018

An object at rest near the surface of a distant planet starts to fall freely. If the acceleration there is twice that of the Earth, its speed one second later would be

A) 10 m/s.
B) 20 m/s.
C) 30 m/s.
D) 40 m/s.

Question 2

If a stone falls to the bottom of a mineshaft in 6 seconds, then the depth of the shaft is about

A) 60 m.
B) 120 m.
C) 180 m.
D) more than 200 m.