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Author Question: A bullet moving horizontally with a speed of 500 m/s strikes a sandbag and penetrates a distance of ... (Read 142 times)

bclement10

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on: Jul 27, 2018
A bullet moving horizontally with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10 cm.
 
  (a) What is the average acceleration of the bullet?
  (b) How long does it take to come to rest?

Question 2

Which of the following processes is believed to have been an important source of the Earth's atmosphere?
 
  A) outgassing by volcanoes on the Earth's surface
  B) gas trapped from the solar nebula
  C) matter blasted from the surface of the Moon
  D) charged particles trapped from the Sun


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bpool94

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Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) -1.25  106 m/s2
(b) 0.4 ms

Answer to Question 2

A


bclement10

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Reply #2 on: Jul 27, 2018
Thank you!


bpool94

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Reply #3 on: Jul 27, 2018
Always glad to help...


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