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1. Consider a projectile (0.1 kg) fired into a ballistic pendulum (0.5 kg, rm 0.3 m), the resulting collision is inelastic (see Figure 2) and the pendulum swings to a maximum angular deflection of 20°. Assume rom is the same with or without the projectile attached. What is the maximum PE for the pendulum? 2. Determine the maximum KE for the pendulum and use this value to calculate the initial velocity of the projectile-pendulum just after the collision. 3. Apply the Law of Conservation Momentum to calculate the initial momentum of the projectile. 4. Determine the velocity of the projectile.


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