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Author Question: A 100 g lump of clay hits a wall at 70 cm/s and sticks. A 100 g rubber ball hits the same wall at 60 ... (Read 75 times)

sheilaspns

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on: Jul 28, 2018
A 100 g lump of clay hits a wall at 70 cm/s and sticks. A 100 g rubber ball hits the same wall at 60 cm/s and rebounds with a speed of 30 cm/s. Which object experiences the larger impulse delivered by the wall during the collision?
 
  1.The clay
  2.The ball
  3.Both impulses are the same
  4.Cannot be determined without knowing the duration of the collision
  5.Cannot be determined without knowing the forces exerted by the wall
  6.Both 4 and 5 are true
  7.Cannot be determined for some other reason

Question 2

Two identical steel balls are released from rest from the same height and travel along tracks as shown and labeled below.
 
   



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princessflame2016

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

2

Answer to Question 2



sheilaspns

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Reply 2 on: Jul 28, 2018
Gracias!

sarah_brady415

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

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