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Author Question: The potential energy of a pendulum is greatest a. when its potential energy is least. b. at the ... (Read 99 times)

jazziefee

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on: Jul 28, 2018
The potential energy of a pendulum is greatest
 a. when its potential energy is least.
  b. at the top of its swing.
  c. at the bottom of its swing.
  d. when its total energy is greatest.

Question 2

An advantage of synthetic detergents over soaps is that they
 a. do not contain sulfur.
  b. dissolve grease.
  c. do not form scum in hard water.
  d. are more readily biodegradable.


perkiness

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

b

Answer to Question 2

c


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