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Author Question: A 0.500-kg ball traveling horizontally on a frictionless surface approaches a very massive stone at ... (Read 78 times)

corkyiscool3328

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on: Jul 29, 2018
A 0.500-kg ball traveling horizontally on a frictionless surface approaches a very massive stone at 20.0 m/s perpendicular to wall and rebounds with 70.0 of its initial kinetic energy. What is the magnitude of the change in momentum of the stone?
 
  A) 18.4 kgm/s
  B) 14.0 kgm/s
  C) 3.00 kgm/s
  D) 1.63 kgm/s
  E) 0.000 kgm/s

Question 2

What is the temperature of 3.0 moles of gas at a pressure of 250 kPa held in a volume of 15 L?
 
  A) 150 K
  B) 200 K
  C) 250 K
  D) 300 K
  E) 350 K


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isabelt_18

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

A

Answer to Question 2

A


corkyiscool3328

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

nyrave

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Reply 3 on: Yesterday
Wow, this really help

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