Find the speed of the clock hand of a wall clock if its length is 15 cm.

univerkov | November 25, 2020 | education

Given:
T = 12 h = 43200 s
l = R = 15cm = 0.15m
To find
v =?
The solution to this problem:
v = 2ПR / T = 2 * 3.14 * 0.15 / 43200 = 2.1 * 10 ^ -5 (m / s)
Answer: 2.1 * 10 ^ -5 (m / s)

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