A point on a circle of radius 0.5 m turns through an angle of 3 rad. What distance does it travel along the arc?
Correct answer B. 1.5 m
Explanation
s = rθ = 0.5 × 3 = 1.5 m. Dividing θ by r gives 6, and dividing r by θ gives 0.17, both wrong.
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