A min. hand of a clock is 7cm long calculate the distance covered and displacement of min. hand from 9am to9:30am
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Answer: distance = 77 cm and displacement = 14 cm
Explanation:
Distance covered = 1/2 times the circumference of the clock
=> 1/2 * πr² where r = radius of the circle = length of the minute hand
=> distance covered = 1/2 * 22/7 * 7 * 7 = 11 * 7 = 77 cm
Displacement = 2 * radius = 2 * 7 = 14 cm
Therefore distance = 77 cm and displacement =14 cm
Please brainlist my answer, if helpful!
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