Asked by john
A 3-m radius disk is rotating at 6 rad/sec. What is the linear speed of a point that lies on the circumference of the disk?
Answers
Answered by
oobleck
v = rω = 3*6 = 18 m/s
Answered by
john
what about this one:
A cyclist is moving at 6.7 meters/sec, on a bike with 0.25 m radius wheels. What is the angular speed of the wheels, in rad/sec?
A cyclist is moving at 6.7 meters/sec, on a bike with 0.25 m radius wheels. What is the angular speed of the wheels, in rad/sec?
Answered by
oobleck
The speed of the bike is the same as the speed of a point on the tire, right?
v = rω
6.7 = 0.25ω
so, ω = ___
v = rω
6.7 = 0.25ω
so, ω = ___
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.