[SOLVED] Linear and Angular Velocity. Very Urgent! Help

**jcrodua** · August 29th 2008, 02:03 AM

The wheel of the truck is turning at 4.5 rpm. The wheel is 0.8 m in diameter.

a. Find the angular velocity of the wheel in rad per sec.
b. Find the linear velocity in ft. per sec. of a point on the rim of a wheel.

**mr fantastic** · August 29th 2008, 02:18 AM

Originally Posted by jcrodua

The wheel of the truck is turning at 4.5 rpm. The wheel is 0.8 m in diameter.

a. Find the angular velocity of the wheel in rad per sec.
b. Find the linear velocity in ft. per sec. of a point on the rim of a wheel.

Have you been taught the basic definitions?

Read this: Angular and Linear Velocity

a. $(2 \pi) (4.5)$ radians in 1 minute therefore $\frac{(2 \pi) (4.5)}{60}$ radians in 1 second ......

b. $v = \omega \, r = \left( \frac{(2 \pi) (4.5)}{60}\right) \, (0.8)$ m/s.

Math Help - [SOLVED] Linear and Angular Velocity. Very Urgent! Help

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[SOLVED] Linear and Angular Velocity. Very Urgent! Help

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