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The length of the seconds hand of a watch is 10 mm. What is the change in the angular speed of thewatch after 15 seconds(10z/2) ms^-1(e) (20/a) mms 1Zero10/2 mms |
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Answer» it's answer is zero as the question has asked only speed not velocity and speed is scalar quantity the change in the average speed will be zero as it is a scalar quantity |
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