Check my work?

If a wheel with a radius of 30 inches spins at a rate of 500 revolutions per minute, find the approximate linear velocity in miles per hour.

89 MPH?

Question

Check my work?

If a wheel with a radius of 30 inches spins at a rate of 500 revolutions per minute, find the approximate linear velocity in miles per hour.

89 MPH?

sloppycanada · Answer

@thushananth01 If you're not too busy

anonymous · Answer

V = r.w 
w = 2.pi/T
w = 2.pi.f
v = r .2.pi.f
= 30000pi inches per min
89.24 mph

Yes you are right!

anonymous · Answer

$$\frac{\ \pi*2\ *30\ *500\ *60}{12*5280}=\frac{625 \pi }{22}=89.2498 \text{ mph} $$