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Part 1. A 1350-kilogram truck moving with a speed of 22.0 m/s runs into the rear...

Part 1. A 1350-kilogram truck moving with a speed of 22.0 m/s runs into the rear end of a 1290-kilogram stationary car. If the collision is completely inelastic, how much kinetic energy is lost in the collision?

Part 2. An 20 g rifle bullet traveling at 290 m/s buries itself in a 5.4 kg pendulum hanging on a 3.2 m long string, which makes the pendulum swing upward in an arc. Determine the maximum vertical displacement of the pendulum (height).(g = 9.8 m/s2)

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