A box is motionless, sitting on a ramp with an incline of 0 =51.1 ° being pulled in the direction up the ramp by a spring with a spring constant of k=60 N/m that is stretched x=2.8 m. The coefficient of friction between the ramp and the box are µ =0.6 and u k=0.31 and the friction force is going down the ramp. What is the mass of the box? Solve symbolically: Solve numerically: m= Units: If the box starts moving up a ramp with an acceleration of a=1.72 m/s-, what is the new length that the spring will stretch? Solve symbolically: Solve numerically: Units:
A box is motionless, sitting on a ramp with an incline of 0 =51.1 ° being pulled in the direction up the ramp by a spring with a spring constant of k=60 N/m that is stretched x=2.8 m. The coefficient of friction between the ramp and the box are µ =0.6 and u k=0.31 and the friction force is going down the ramp. What is the mass of the box? Solve symbolically: Solve numerically: m= Units: If the box starts moving up a ramp with an acceleration of a=1.72 m/s-, what is the new length that the spring will stretch? Solve symbolically: Solve numerically: Units:
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 68PQ
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