A 150-Kg Crate Is Placed on an Adjustable Inclined Plane

question 80

Multiple Choice

A 150-kg crate is placed on an adjustable inclined plane.As one end of the incline is raised,the crate begins to move downward.If the crate slides down the plane with an acceleration of 0.40 m/s² when the incline angle is 25°,what is the coefficient of kinetic friction between ramp and crate? (g = 9.8 m/s²)

• A) 0.52
• B) 0.62
• C) 0.42
• D) 0.32
• E) ​3.74

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