An insect trapped in a circular groove of radius 13 cm moves along the groove steadily
speed of the motion?
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13 cm per sec
Explanation:
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Explanation:
total distance travelled by insect for one revolution is 2*π*r.
total distance travelled by insect for 7 revolutions is 2*π*r*7.
total time taken to travel 7 revolutions is 100 seconds.
linear speed is given as rate of change of distance. therefore
linear speed = total distance travelled/ total time
= 2*π*r*7/100 = 0.0528m/sec(since r = 0.12 mts).
angular speed is given as linear speed * radius= 2*π*7/100 = 0.44rad/sec
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