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Author Question: Two objects have masses m and 5m, respectively. They both are placed side by side on a frictionless ... (Read 46 times)

WhattoUnderstand

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on: Jul 29, 2018
Two objects have masses m and 5m, respectively. They both are placed side by side on a frictionless inclined plane and allowed to slide down from rest.
 
  A)
 
  It takes the lighter object 5 times longer to reach the bottom of the incline than the heavier.
  B)
 
  It takes the lighter object 10 times longer to reach the bottom of the incline than the heavier.
  C)
 
  It takes the heavier object 5 times longer to reach the bottom of the incline than the lighter.
  D)
 
  It takes the heavier object 10 times longer to reach the bottom of the incline than the lighter.
  E)
 
  The two objects reach the bottom of the incline at the same time.

Question 2

A parallel plate capacitor has a potential difference between the plates of 80 V. If the charge on one of the plates of the capacitor is +8.0 C, what is the electrical energy stored by this capacitor?
 
  A)
 
  640  10-6 J
  B)
 
  320  10-6 J
  C)
 
  5.0  10-8 J
  D)
 
  6.0  10-8 J
  E)
 
  3.0  10-8 J


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Pariscourtney

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

E

Answer to Question 2

B


WhattoUnderstand

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Reply 2 on: Jul 29, 2018
Wow, this really help

Dnite

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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