the minute hand of a clock is 7cm . calculate the displacement and distance covered by it from 8a.m 8:30a.m.
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Explanation:
Distance From 8:00 AM to 8:30 AM
Half the circumference = 2πr/2 = πr
= 22/7×7 = 22cm Answer
Displacement from 8:00 AM to 8:30 AM
= Diameter of Clock = 2r = 14cm Answer
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