A) Acceleration
B) Speed
C) Potential energy
D) Distance
Correct Answer: A
Solution :
When ball is thrown upward, the velocity has a magnitude in the upward direction. However, the ball is un- der the influence of gravity, which, on the surface of the Earth, causes all free-falling objects to undergo a vertical acceleration of \[-9.8\,\,m/{{s}^{2}}\]. So the acceleration of the ball remains constant.
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