General Physics 203
Quiz #7: Linear Momentum
Manjul Apratim
Physics and Astronomy, Rutgers University
March 26, 2012
Ballistic Pendulum
A horizontally flying bullet of mass m hits (and embeds into) a block of mass M suspended by a thread of
length l. As a result, the block (with the bullet) swerves up to an angle θ from its original vertical position.
Find:
z The original speed of the bullet
z The fraction of the bullet’s kinetic energy that was converted to heat.
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