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Author Question: A 4.0-kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vertical wall. ... (Read 45 times)

audie

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on: Jul 28, 2018
A 4.0-kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vertical wall. The particle rebounds with a speed of 3.0 m/s. What is the magnitude of the impulse delivered to the particle?
 a. 24 Ns
  b. 32 Ns
  c. 40 Ns
  d. 30 Ns
  e. 8.0 Ns

Question 2

A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of 1.5 m/s. What is the magnitude of the impulse exerted on the ball by the floor?
 a. 9.6 Ns
  b. 2.4 Ns
  c. 6.4 Ns
  d. 1.6 Ns
  e. 1.0 Ns


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anyusername12131

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

B

Answer to Question 2

A


audie

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Reply 2 on: Jul 28, 2018
Excellent

nguyenhoanhat

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

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