A 10-kg block with an initial velocity of 10 m/s slides 10 m across a horizontal surface and comes to rest. It takes the block 2 s to stop. The stopping force acting on the block is about
A) 5 N.
B) 10 N.
C) 25 N.
D) 50 N.
E) none of the above
D
Environmental & Atmospheric Sciences
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