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Author Question: A 5.00-g bullet is fired into a 950-g block of wood suspended as a ballistic pendulum. The combined ... (Read 92 times)

Marty

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on: Jul 28, 2018
A 5.00-g bullet is fired into a 950-g block of wood suspended as a ballistic pendulum. The combined mass swings up to a height of 8.00 cm. What was the kinetic energy of the bullet immediately before the collision?
 a. 1.4E+2 J
  b. 1.5E+3 kJ
  c. 3.9E3 J
  d. 1.4E+8 J
  e. 1.5E+2 J

Question 2

A 13.4-g bullet is fired into a 1.60-kg block of wood which is suspended as a ballistic pendulum. The combined mass swings up to a height of 8.50 cm. What was the kinetic energy of the combined mass immediately after the collision?
 a. 1.32 J
  b. 1.33 J
  c. 0.0112 J
  d. 1.34 J
  e. 0.137 J


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jordangronback

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

a

Answer to Question 2

d


Marty

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

xthemafja

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Reply 3 on: Yesterday
Wow, this really help

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