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Author Question: The cutting cord on a gas-powered weed cutter is 0.20 m in length. If the motor rotates at the rate ... (Read 93 times)

mikaylakyoung

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on: Jul 28, 2018
The cutting cord on a gas-powered weed cutter is 0.20 m in length. If the motor rotates at the rate of 20 rev/s, what is the tangential speed of the end of the cord?
 a. 628 m/s
  c. 19 m/s
  b. 25 m/s
  d. 63 m/s

Question 2

A point on the rim of a 0.30-m radius rotating wheel has a tangential speed of 4.0 m/s. What is the tangential speed of a point 0.10 m from the center of the same wheel?
 a. 1.0 m/s
  c. 2.7 m/s
  b. 1.3 m/s
  d. 8.0 m/s


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britb2u

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


mikaylakyoung

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

jamesnevil303

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Reply 3 on: Yesterday
Gracias!

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