Camping equipment weighing 6000 N is pulled across a frozen lake by means of a horizontal rope.The coefficient of kinetic friction is 0.05.How much work is done by the campers in pulling the equipment 1000 m if its speed is increasing at the constant rate of 0.20 m/s2?
A) -1.2* 106 J
B) 1.2 *105 J
C) 3.0 * 105 J
D) 4.2 *105 J
E) 4.1 * 106 J
Correct Answer:
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