Look at your wall clock . Calculate the length of minute hand and hour hand. (a) Observe that how much distance it covered by its minute hand in 10 hours. Find out the total displacement of covered by it. Explain with diagram. (b) Find out the total distance covered by its hour hand in 12 hour. Also find out the total displacement.
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Answer:
44 cm
Explanation:
Length of the minute hand = radius of the clock = r = 14 cm.
From 10 am to 10:30 am, the tip of the minute hand moves to diametrically opposite point on the clock.
Total distance covered by the minute hand = (1/2)
circumference of the clock = πr = 22/7 *
14 = 44 cm.
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