A particle is moving along a circle of radius R such that it completes one revolution in 40 seconds. What will be the displacement after 2 minutes 20 seconds?
Asked by Kim | 30th May, 2013, 02:15: PM
it moves by an anlge of 2? in 40 sec
thus in 2min 20 sec i.e. 140 sec, it will move an angle of, 2? x 140/40 = 7?
since one circle is of 2? thus it will have an angular displacemnt of ? and a linear displacement of 2R i.e. the particle is on the other side of diameter.
Answered by | 30th May, 2013, 04:59: PM
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