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Author Question: What physical quantities discussed in this chapter change most when a junked car is neatly crushed ... (Read 32 times)

nevelica

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on: Aug 27, 2018
What physical quantities discussed in this chapter change most when a junked car is neatly crushed into a compact cube?
 
  A) The car's weight and volume change, but not its mass.
  B) The volume of the car changes as well as its average density.
  C) The car's temperature changes, but not its average density.
  D) The mass of the car changes as well as its volume.

Question 2

What is the role of a neuron in the body?
 
  A) to transmit electrical impulses
  B) to store sodium ions
  C) to accept light signals and convert them into electrical signals
  D) the neuron is a neutral particle with the same mass as a proton
  E) to connect nerve cells together


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jaykayy05

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


nevelica

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

amandalm

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Reply 3 on: Yesterday
Wow, this really help

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