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The length of seconds hand in a watch is 1 cm The change in velocity of its tip in 15 sec

The length of seconds hand in a watch is 1 cm The change in velocity of its tip in 15 sec

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

Dear pallavi

in 15 sec second hand rotates by an angel 90

initial velocity V1 = vi

final velocity   = -vj

 

 

change in velocity =-vj  -vi

                          = -v(i + j)

 

magnitude   =v√2

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