A 125-Kg Crate Slides Along a Horizontal Frictionless Surface at a a Constant

question 37

Multiple Choice

A 12.5-kg crate slides along a horizontal frictionless surface at a constant speed of 4.0 m/s. The crate then slides down a frictionless incline and across a second horizontal surface as shown in the figure.
-What minimum coefficient of kinetic friction is required to bring the crate to a stop over a distance of 5.0 m along the lower surface?

• A)0.30
• B)0.32
• C)0.60
• D)0.66
• E)0.76