Question

An object drops in free fall. At one instant it is moving at a speed of 50 meters per second. Exactly one second later its speed is about
1) 10 m/s.
2) 50 m/s.
3) 60 m/s.
4) 100 m/s.
This is because
5) no net force acts on the object while in its state of free fall.
6) it gains a speed of about 10 m/s for each second of fall.
7) its velocity nearly doubles each second.

Answer

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