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Author Question: In a police ballistics test, 2.00-g bullet traveling at 700 m/s suddenly hits and becomes embedded ... (Read 50 times)

jilianpiloj

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on: Jul 29, 2018
In a police ballistics test, 2.00-g bullet traveling at 700 m/s suddenly hits and becomes embedded in a stationary 5.00-kg wood block. What is the speed of the block immediately after the bullet has stopped moving relative to the block?
 
  What will be an ideal response?

Question 2

A typical source of infrared radiation is
 
  A) magnetized particles vibrating in iron and certain other metals.
  B) charged particles moving within the nucleus.
  C) electrons moving along a metal antenna.
  D) thermal vibrations of molecules.
  E) electrons orbiting the nucleus in atoms.


ASDFGJLO

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

0.280 m/s

Answer to Question 2

D


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