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Author Question: Different samples of a pure compound always contain the same elements in a) exactly equal ... (Read 39 times)

ishan

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on: Jul 28, 2018
Different samples of a pure compound always
  contain the same elements in
   a) exactly equal amounts.
   b) the same proportion by volume.
   c) the same proportion by mass.
   d) varying proportions depending on the temperature.

Question 2

A 2.0-kg object moving 3.0 m/s strikes a 1.0-kg object initially at rest. Immediately after the collision, the 2.0-kg object has a velocity of 1.5 m/s directed 30 from its initial direction of motion. What is the x component of the velocity of the 1.0-kg object just after the collision?
 a. 3.7 m/s
  b. 3.4 m/s
  c. 1.5 m/s
  d. 2.4 m/s
  e. 4.1 m/s


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miss_1456@hotmail.com

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

c

Answer to Question 2

b


ishan

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Reply 2 on: Jul 28, 2018
Excellent

olderstudent

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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