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Author Question: If you lift a 15-N weight vertically 30 m above the ground, you are a. doing work against gravity. ... (Read 140 times)

Pineappleeh

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If you lift a 15-N weight vertically 30 m above the ground, you are
 a. doing work against gravity.
  b. doing work against friction.
  c. doing work against inertia.
  d. doing none of these.

Question 2

Which of the following compounds has two hydroxyl groups?
 a. Ethylene glycol
  b. Ethanol
  c. Glycerol
  d. Cholesterol



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Expo

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Answer to Question 1

a

Answer to Question 2

a





 

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