Asked by Bill
an initially resting 300g car is dragged along a horizontal frictionless table by a massless cord. The cord is attached to vertically hanging 60g mass by a frictionless massless pulley. If the car starts from rest, determine the time it would take for it to move 20 cm.
Answers
Answered by
Steve
Since F=ma, the acceleration of the car is 1/5 gravity.
So, how long does it take the car to move 20cm, under (1/5)g acceleration?
s = 1/2 at^2
So, how long does it take the car to move 20cm, under (1/5)g acceleration?
s = 1/2 at^2
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