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The tangential velocity of an object moving in a circle at constant angular spee

ID: 250843 • Letter: T

Question

The tangential velocity of an object moving in a circle at constant angular speed is

directly proportional to the radius and pointing along the tangential line of the circle.

inversely proportional to the radius and pointing along the tangential line of the circle.

directly proportional to the radius and pointing away from the center of the circle.

inversely proportional to the radius and pointing away from the center of the circle.

a.

directly proportional to the radius and pointing along the tangential line of the circle.

b.

inversely proportional to the radius and pointing along the tangential line of the circle.

c.

directly proportional to the radius and pointing away from the center of the circle.

d.

inversely proportional to the radius and pointing away from the center of the circle.

Explanation / Answer

a,

since V = r w , hence V is directly propotional to "r". also the direction is along the tangent to the circle

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