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Author Question: Which produces more force: driving into a very massive concrete wall with no give, or having a ... (Read 52 times)

K@

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on: Jul 29, 2018
Which produces more force: driving into a very massive concrete wall with no give, or having a head-on collision with an identical car moving toward you at the same speed?
 
  A) car
  B) wall
  C) both the same
  D) need more information

Question 2

A motorcycle of mass 100 kilograms slowly rolls off the edge of a cliff and falls for three seconds before reaching the bottom of a gully. Its momentum upon hitting the ground is
 
  A) 1,000 kg m/s.
  B) 2,000 kg m/s.
  C) 3,000 kg m/s.
  D) 4,000 kg m/s.
  E) 9,000 kg m/.


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momo1250

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

Answer: C

Answer to Question 2

Answer: C


K@

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

aliotak

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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