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
Verified Correct Answer: B.
Physical Principles & Numerical Solution
V = wr = 2\pif r = 2 x (22)/7 x 1 x 0.6
= 3.77ms-1
Source: WAEC / JAMB / NECO Classroom Archive (Record #14017)