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Author Question: An object with a mass of 5 kg is dropped and takes 9 s to hit the ground. Then another object with a ... (Read 235 times)

audie

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An object with a mass of 5 kg is dropped and takes 9 s to hit the ground. Then another object with a mass of 10 kg is dropped from the same point. How long does it take to hit the ground?
 a. 9 s
  b. 18 s
  c. 5 s
  d. 81 s
  e. 729 s

Question 2

The coefficients needed to balance the reaction Sb2S3 + HCl  SbCl3 + H2S are, respectively,
 a. 1, 2, 1, and 1.
  b. 2, 1, 3, and 1.
  c. 1, 2, 1, and 3.
  d. 1, 6, 2, and 3.
  e. 1, 1, 1, and 1.



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kusterl

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Answer to Question 1

a

Answer to Question 2

d




audie

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Reply 2 on: Jul 28, 2018
:D TYSM


miss.ashley

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Reply 3 on: Yesterday
Gracias!

 

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