A 2.0-kg block slides down a frictionless incline from point A to point B.A force (magnitude P = 3.0 N) acts on the block between A and B,as shown.Points A and B are 2.0 m apart.If the kinetic energy of the block at A is 10 J,what is the kinetic energy of the block at B? 
A) 27 J
B) 20 J
C) 24 J
D) 17 J
E) 37 J
Correct Answer:
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