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A

Anonymous

Jan 24, 2025

A string is wound tightly around a wheel. When the string is pulled a distance of 40 cm in 2.50 s, the wheel turns through 5 revs.?

A string is tightly wound around a wheel. When the string is pulled a distance of 40 cm in 2.50 seconds, the wheel makes 5 revolutions.

What is the average speed of the string, the average angular velocity of the wheel, and what is the radius of the wheel?

1 Answers

A
Anonymous

Dec 20, 2024

Θ = 5*2π = L/r →

r = L/10π = 0.40/10π = 0.01273 m

Vav = 0.40/t = 0.16 m/s

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