A small pellet is accelerated in space by a 10-N force. Suddenly, the pellet encounters a second 10-N force in the opposite direction. With both forces acting, the pellet

A. continues at its speed just before encountering the second force.
B. theoretically tends to accelerate without limit.
C. is brought to a rapid halt.
D. decelerates gradually to a halt.


Answer: A

Environmental & Atmospheric Sciences

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