The cutting cord on a gas-powered weed cutter is 0.16 m in length. If the motor rotates at the rate of 20 rev/s, what is the approximate linear speed, v, of the end of the cord? A) 20 m/s B) 25 m/s C) 35 m/s D) 65 m/s

The cutting cord on a gas-powered weed cutter is 0.16 m in length. If the motor rotates at the rate of 20 rev/s, what is the approximate linear speed, v, of the end of the cord? A) 20 m/s B) 25 m/s C) 35 m/s D) 65 m/s

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter2: Motion

Section2.3: Acceleration

Problem 2.3CE: What is the average speed in mi/h of a person at the equator as a result of the Earths rotation?...

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

The cutting cord on a gas-powered weed cutter is 0.16 m in length. If the motor
rotates at the rate of 20 rev/s, what is the approximate linear speed, v, of the end of the
cord?
A) 20 m/s
B) 25 m/s
C) 35 m/s
D) 65 m/s

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