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Author Question: If a light-weight stable nucleus has 12 neutrons, the atomic mass is expected to be about: a. 6 ... (Read 18 times)

charchew

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on: Jul 28, 2018
If a light-weight stable nucleus has 12 neutrons, the atomic mass is expected to be about:
 a. 6 b.12 c.18 d.24 e.36 amu.

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 lowest point on the circle, the speed of the mass is 12 m/s. What is the magnitude of the force of the string on the mass at this position?
 a. 31 N
  b. 36 N
  c. 41 N
  d. 46 N
  e. 23 N


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dantucker

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

d

Answer to Question 2

C


charchew

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Reply 2 on: Jul 28, 2018
Excellent

nguyenhoanhat

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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