a minute hand clock is 7 cm long calculate the distance covered and the displacement of minute hand of the clock from 8 a.m. to 8:15 a.m.
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this is ans for 9.am to 9.30..just change values n get the correct one..
Step-by-step explanation:
Since, the clock is moved from 9:00 to 9:30, the minute arm has traveled and completed a semi circle to reach 9:30. So, the the distance covered by the minute arm will be the arc from 9:00 to 9:30. The displacement will be the diameter of the swept area of the minute arm which will be 14 cm,
The, distance will be π*r where r is the radius or the length of the minute arm.
On solving we will get distance to be 22/7*7 = 22 cm.
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