Asked by Zara

A wheel of a child's car revolves at 15 rpm.
a) What is the angular velocity of the wheel in radians per seconds?
b) A painted dot on the circumference of the wheel is 12 cm from the center of rotation of the wheel. How far does the dot travel in 5s?
Answered by Steve
ω = 15 rev/min * 1min/60s * 2πrad/rev = ? rad/s

s = rθ = 12cm * ω rad/s * rs = ? cm
Answered by Maryam
The radius of the wheel is 12 cm, therefore the circumference ( 2pi r) = 2 .3/14. 12 is equal to 75.39822369 . According to the previous section of the question, the wheel rotates 15 times per minute( 60 seconds); therefore 15 times 75.39822369 that is equal to 904.7786842 , is the the total distance the wheel revolves in 60 seconds. Through a simple equation , 94.2477961 cm is revolved in 5 seconds.
Answered by jasmine
Given the radius of the tire is 1.2", what is the angular velocity of the wheels in RPM?
There are no AI answers yet. The ability to request AI answers is coming soon!