Croquet ball A moving at 8.7 m/s makes a head on collision with ball B of equal mass and initially at rest. Immediately after the collision ball B moves forward at 7.1 m/s .
1.) What fraction of the initial kinetic energy is lost in the collision?
A 25-gg rifle bullet traveling 230 m/sm/s embeds itself in a 3.9-kgkg pendulum hanging on a 3.0-mm-long string, which makes the pendulum swing upward in an arc
1.) Determine the vertical component of the pendulum's maximum displacement.
2.) Determine the horizontal component of the pendulum's maximum displacement.
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