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JAMB - Physics (2008 - No. 3)

If a wheel 1.2 m in diameter rotates at one revolution per second, calculate the velocity of the wheel.
3.6 ms-1
3.77 ms-1
4.0 ms-1
7.5 ms-1

Paliwanag

V = wr = 2πf r = 2 x (22)/7 x 1 x 0.6
= 3.77ms-1

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