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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 367 times)

audie

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

a

Answer to Question 2

d


audie

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Reply 2 on: Jul 28, 2018
Wow, this really help

daiying98

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Reply 3 on: Yesterday
Excellent

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