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Author Question: The excess charge on this sphere is closest to A) 700 nC. B) 79 nC. C) 0.35 nC. D) 315 nC. E) 350 ... (Read 33 times)

madam-professor

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on: Jul 29, 2018
The excess charge on this sphere is closest to
 
  A) 700 nC. B) 79 nC. C) 0.35 nC. D) 315 nC. E) 350 nC.

Question 2

Consider two less-than-desirable options. In the first you are driving 30 mph and crash head-on into an identical car also going 30 mph.
 
  In the second option you are driving 30 mph and crash head-on into a stationary brick wall. In neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. Which of these two situations would result in the greatest impact force?
  A) hitting the brick wall
  B) hitting the other car
  C) The force would be the same in both cases.
  D) We cannot answer this question without more information.
  E) None of these is true.


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tkempin

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

(a) b (b) c

Answer to Question 2

C


madam-professor

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Reply 2 on: Jul 29, 2018
:D TYSM

jomama

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Reply 3 on: Yesterday
Excellent

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