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Author Question: The largest component of ionizing radiation the average American receives is from: a. radon b. ... (Read 91 times)

tatyanajohnson

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on: Jul 28, 2018
The largest component of ionizing radiation the average American receives is from:
 a. radon
  b. cosmic rays
  c. TV
  d. medical x-rays
  e. terrestrial sources

Question 2

A 0.50 kg mass attached to the end of a string swings in a vertical circle (radius = 2.0 m). When the mass is at the highest point of the circle the speed of the mass is 8.0 m/s. What is the magnitude of the force of the string on the mass at this position?
 a. 21 N
  b. 11 N
  c. 16 N
  d. 26 N
  e. 36 N


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enass

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

a

Answer to Question 2

B


tatyanajohnson

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  • Posts: 569
Reply 2 on: Jul 28, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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