A 2000-Kg Ore Car Rolls 50 $\degree$ Incline If There Is a Horizontal Spring at the End

question 13

Multiple Choice

A 2000-kg ore car rolls 50.0 m down a frictionless 10.0 $\degree$ incline. If there is a horizontal spring at the end of the incline, what spring constant is required to stop the ore car in a distance of 2.00 m?

• A) 340 kN/m
• B) 68.1 kN/m
• C) 1700 kN/m
• D) 85.1 kN/m

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