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

question 32

Multiple Choice

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

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