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A Crane Lifts Up a 100

Question 65

Multiple Choice

A crane lifts up a 100. kg box, from rest, with a force that varies with time, as shown on the graph.
A crane lifts up a 100. kg box, from rest, with a force that varies with time, as shown on the graph. What is the instantaneous velocity of the box at t = 10. s? A) +0.25 m/s B) +0.75 m/s C) -0.25 m/s D) zero E) -0.75 m/s
What is the instantaneous velocity of the box at t = 10. s?


A) +0.25 m/s
B) +0.75 m/s
C) -0.25 m/s
D) zero
E) -0.75 m/s

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