Question

Asked Feb 28, 2019

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A wheel is rotating at 4 radians per second, and the wheel has a 57-inch diameter. To the nearest foot per minute, what is the speed of a point on the rim?

Step 1

A wheel is rotating at 4 radians per second and the diameter of the wheel is 57 - inches.

Here, 1 radian = Circumference / 2π.

Circumference is π*d*.

Therefore, 1 radian -= π*d */ 2π.

1 radian -= *d */ 2.

Substitute 57 inch for *d* in 1 radian,

1 radian -= 57 inches / 2

1 radian = 28.5 inches.

Step 2

Obtain the speed of a point o...

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