Question

A minute hand of wall clock is 10cm long . find its displacment and the distance covered from 10AM to 10.30AM

Answer 1

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QUESTION:- A minute hand of wall clock is 10cm long . find its displacment and the distance covered from 10AM to 10.30AM

ANSWER:-


r =10 cm

2r =10cm

PiX r = 22/7 X10

3.14X10

31.4cm

First speed =40km/HR

Second speed =60km/HR

So average speed =S1+S2/2

60+40/2

=> 50 km/HR

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Hope it helps