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Author Question: A ball with original momentum +7.0 kg/m/s hits a wall and bounces straight back without losing any ... (Read 61 times)

genevieve1028

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on: Jul 28, 2018
A ball with original momentum +7.0 kg/m/s hits a wall and bounces straight back without losing any kinetic energy. The change in momentum of the ball is:
 a. 0.
  b. 14 kg/m/s.
  c. 7.0 kg/m/s.
  d. 14 kg/m/s.
  e. 7.0 kg/m/s.

Question 2

The dimensional equivalence of the quantity momentum in terms of the fundamental quantities (mass, length, time) is:
 a. MLT1.
  b. ML2T2.
  c. MLT.
  d. MLT2.


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JCABRERA33

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Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

a


genevieve1028

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Reply 2 on: Jul 28, 2018
Gracias!

bbburns21

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Reply 3 on: Yesterday
Wow, this really help

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