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Author Question: A simple pendulum of length 2.00 m is used to measure the acceleration of gravity at the surface of ... (Read 110 times)

Alygatorr01285

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on: Jul 29, 2018
A simple pendulum of length 2.00 m is used to measure the acceleration of gravity at the surface of a distant planet. If the period of such a pendulum is 7.00 s, what is the acceleration of gravity?
 
  A)
 
  7.89 m/s2
 
  B)
 
  6.78 m/s2
 
  C)
 
  1.61 m/s2
 
  D)
 
  0.513 m/s2
 
  E)
 
  17.8 m/s2

Question 2

How much heat needs to be removed from 100 g of 85C water to make -5C ice?
 
  A)
 
  255 cal
 
  B)
 
  168 kcal
 
  C)
 
  8.5 kcal
 
  D)
 
  16.5 kcal
 
  E)
 
  16.8 kcal


cat123

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

C

Answer to Question 2

E


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Alygatorr01285

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


cat123

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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