Physicsmedium · Past Paper
What is the velocity of the tip of a second hand of a clock of length 1cm?
A0.104 cm/s
B0.016 cm/s
C1 cm/s
D6.28 cm/s
✓ Correct Answer: A — 0.104 cm/s
v = 2*pi*r / T = (2 * 3.14 * 1) / 60 approx 0.104 cm/s.
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