Asked by Anonymous
A model drag car is being accelerated along its track from rest by a motor with a force of 75N, but there is a drag force of 30N due to the track. What is the Kinetic energy after 2m of travel?
A. 90J
B. 150J
C. 210J
D. 60J
A. 90J
B. 150J
C. 210J
D. 60J
Answers
Answered by
Henry
W = F*d = (75-30) * 2 = 90 J. = KE.
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