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Grade: 11
        
The length of a second hand in a watch is 1cm. Find the change in  velocity of its tip in 15s? 
4 years ago

Answers : (1)

Saurabh Kumar
askIITians Faculty
2411 Points
							245-2278_S8.PNG
Here, |V1| = |V2| = (pi/30)cm/s.

Thus the change in the magnitude of the velocity of the second's hand in 15 seconds is -

[{pi*sqrt(2)}/30]cm/s
4 years ago
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