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Author Question: When subtracting several quantities, the number of decimal places in the result must always be A) ... (Read 237 times)

JMatthes

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on: Jul 29, 2018
When subtracting several quantities, the number of decimal places in the result must always be
 
  A) larger than the number of decimal places in the most accurate of the quantities.
  B) equal to the number of decimal places in the most accurate of the quantities.
  C) equal to the average number of significant digits in the most and least accurate of the quantities.
  D) equal to the number of decimal places in the least accurate of the quantities.
  E) smaller than the number of decimal places in the least accurate of the quantities.

Question 2

A 4.0 kg mass is moving with speed 2.0 m/s. A 1.0 kg mass is moving with speed 4.0 m/s. Both objects encounter the same constant braking force, and are brought to rest. Which object travels the greater distance before stopping?
 
  A) the 4.0 kg mass
  B) the 1.0 kg mass
  C) Both travel the same distance.
  D) Cannot be determined from the information given.


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ilianabrrr

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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

C


JMatthes

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

covalentbond

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Reply 3 on: Yesterday
Excellent

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