FIGURE 5-5 -A 4.00-Kg Block Is Sliding Up the Plane on a Plane

question 22

Multiple Choice

FIGURE 5-5
-A 4.00-kg block is sliding up the plane on a 30.0 degree incline as shown in Fig. 5-5. If the coefficient of kinetic friction between the block and the incline is 0.700, what will be the acceleration of the block if a 50.0-N horizontal force pushes on the block?

• A)4.40 m/s² down the incline
• B)12.5 m/s² up the incline
• C)0.107 m/s² down the incline
• D)10.8 m/s² up the incline
• E)3.88 m/s² up the incline

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