A 50-Kg Box Is Pushed Up with Initial Velocity and Travels

question 32

Multiple Choice

A 5.0-kg box is pushed up with initial velocity and travels 5.0 m up a plane that is inclined at 30.0^o with the horizontal before it stops. The coefficient of kinetic friction between the box and the plane is 0.20. The initial velocity of the block is:

• A) 5.8 m/s
• B) 8.1 m/s
• C) 4.0 m/s
• D) 66 m/s
• E) 16 m/s

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