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Author Question: A 5.00-g lead bullet moving at 440 m/s penetrates a wood block and comes to rest inside the block. ... (Read 432 times)

maychende

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on: Jul 29, 2018
A 5.00-g lead bullet moving at 440 m/s penetrates a wood block and comes to rest inside the block. If half of its kinetic energy goes into heating the bullet, what is the bullet's change in temperature? The specific heat of lead is 128 J/(kgK).
 
  A) 94.0 K
  B) 110 K
  C) 126 K
  D) 278 K
  E) 378 K

Question 2

A lump of energy associated with light is called a
 
  A) quantum.
  B) photon.
  C) both of these
  D) neither of these


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miss_1456@hotmail.com

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

E

Answer to Question 2

Answer: C


maychende

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

tkempin

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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