One half second after starting from rest, a freely falling object will have a speed of about
A)2 m/s.
B)5 m/s.
C)10 m/s.
D)20 m/s.
E)none of the above

Name: One half second after starting from rest, a freely falling object will have a speed of about A)2 m/s. B)5 m/s. C)10 m/s. D)20 m/s. E)none of the above
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Question

Quizplus · Accepted Answer

A freely falling object accelerates at approximately 9.8 m/s². After 0.5 seconds, its speed is 9.8 m/s² * 0.5 s = 4.9 m/s, which rounds to about 5 m/s.

One Half Second After Starting from Rest, a Freely Falling