Question

Distance travelled by the tip of minute hand of length
10 cm in 100 sec is
​

Answer 1

Radius=10cm

time given=100sec

In one minute it covers a distance of=2*pi*r*10/360

                                                               =2*3.14*10*10/360

                                                               =628/360

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Answer 2

Answer:

Distance travelled by the tip of minute hand  is 0.01746 m  

Explanation:

TO FIND: Distance travelled by the tip of minute hand.

GIVEN:

     Length of minute hand is 10 cm

    Time taken to travel the distance is 100sec

    Angular speed of minute hand is = 360°/ 60 min

                                                             =6° / min

         Angular speed of minute hand  in sec is (1/10)° sec

        The minutes hand rotated in 100 sec is  10°

                         360°= 2×π × 10 cm

                         10°= $\frac{2*\pi *10}{360} cm$

                          10°=$\frac{2*\pi }{18} cm$

                            10°= $\frac{\pi }{180} m$

              Distance travelled by the tip of minute hand  is 0.01746 m  

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