1. A cart wheel rolls along a straight line. If the distance covered is equal to the diameter of the wheel, what is the angle through which the wheel has turned ?
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if the wheel turns through 2π radians or 360 deg, then the wheel travels/rolls a distance of 2 π R or π * diameter.
Angle covered in radians = distance travelled / Radius
= 2 * R / R = 2 radians
= 2 * 180 /π = 360 / π degrees.
Angle covered in radians = distance travelled / Radius
= 2 * R / R = 2 radians
= 2 * 180 /π = 360 / π degrees.
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