A man pulls a box weighting 40 Na distance of 10 m across the floor at constant speed. How much work (in J) does he do if the coefficient of kinetic friction is 0.10? a. 120 O b. 80 C. 40 O d. 160 Ое. 60

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Chapter7: Work And Kinetic Energy
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A man pulls a box weighting
40 Na distance of 10 m
across the floor at constant
speed. How much work (in J)
does he do if the coefficient
of kinetic friction is 0.10?
O a. 120
O b. 80
С. 40
d. 160
Ое. 60
Transcribed Image Text:A man pulls a box weighting 40 Na distance of 10 m across the floor at constant speed. How much work (in J) does he do if the coefficient of kinetic friction is 0.10? O a. 120 O b. 80 С. 40 d. 160 Ое. 60
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