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Author Question: Which of the following four objects has different kinetic energy? a. An object of mass m moving ... (Read 114 times)

jlmhmf

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on: Jul 28, 2018
Which of the following four objects has different kinetic energy?
 a. An object of mass m moving with speed 4v
  b. An object of mass 4m moving with speed 2v
  c. An object of mass 16m moving with speed v
  d. An object of mass 2m moving with speed 3v
  e. None of these; all four objects have the same kinetic energy.

Question 2

The general formula RNH2 is that of
 a. an ester.
  b. an amine.
  c. an amide.
  d. none of these


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Hikerman221

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

d

Answer to Question 2

b


jlmhmf

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Reply 2 on: Jul 28, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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