A 20-N Crate Starting at Rest Slides Down a Rough $\degree$

question 86

Multiple Choice

A 20-N crate starting at rest slides down a rough 5.0-m long ramp, inclined at 25 $\degree$ with the horizontal. 30 J of energy is lost to friction. What will be the speed of the crate at the bottom of the incline?

• A) 0.98 m/s
• B) 2.1 m/s
• C) 3.5 m/s
• D) 4.7 m/s

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