15-18. The motor exerts a force F on the 40-kg crate as shown in the graph. Determine the speed of the crate when t = 3 s and when t = 6 s. When t = 0, the crate is moving downward at 10 m/s. F (N) 450 150 t (s) 6.

Elements Of Electromagnetics
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15-18. The motor exerts a force F on the 40-kg crate as
shown in the graph. Determine the speed of the crate when
t = 3 s and when t = 6 s. When t = 0, the crate is moving
downward at 10 m/s.
F (N)
450
150
t (s)
6.
Transcribed Image Text:15-18. The motor exerts a force F on the 40-kg crate as shown in the graph. Determine the speed of the crate when t = 3 s and when t = 6 s. When t = 0, the crate is moving downward at 10 m/s. F (N) 450 150 t (s) 6.
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