A simple pendulum of length 2.00 m is used to measure the ...

[Alygatorr01285]

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]

Answer to Question 1

C

Answer to Question 2

E

[Alygatorr01285]

Both answers were spot on, thank you once again

[cat123]

Great! Please up vote