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

Question

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

Quizplus · Accepted Answer

The Answer is C

A 20-Kg Block Slides Down a Frictionless Incline from Point a a to Point