Multiple Choice
A 2 500-kg ore car rolls 55.0 m down a frictionless 10.0° 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 2.10 m?
A) 1.1E+5 kN/m
B) 4.5E+5 kN/m
C) 2.8E+6 kN/m
D) 2.4E+5 kN/m
E) 2.4E+4 kN/m
Correct Answer:

Verified
Correct Answer:
Verified
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