If a wheel 1.2 m in diameter rotates at one revolution per second; calculate the velocity of the wheel.

A. 3.6 ms‾¹
B. 3.77 ms‾¹
C. 4.0 ms‾¹
D. 7.5 ms‾¹

Correct Answer:

Option B = 3.77 ms‾¹

Explanation

V = wr = 2πfr = 2 x (22)/7 x 1 x 0.6
= 3.77ms‾¹