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Author Question: A mass of 3.0 kg rests on a smooth surface inclined 34 above the horizontal. It is kept from sliding ... (Read 65 times)

cartlidgeashley

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on: Jul 29, 2018
A mass of 3.0 kg rests on a smooth surface inclined 34 above the horizontal. It is kept from sliding down the plane by a spring attached to a wall. The spring is aligned with the plane and has a spring constant of 120 N/m.
 
  How much does the spring stretch? A) 360 cm
  B) 240 cm
  C) 14 cm
  D) 24 cm
  E) 36 cm

Question 2

Earth's interior is warmed by ________ and Earth's surface is warmed by ________.
 
  A) radioactive processes; fusion in the Sun
  B) fission; fossil fuels
  C) volcanoes; solar energy
  D) terrestrial radiation; terrestrial radiation


Liddy

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

Answer: A


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