Question: For each problem, identify your system and develop a valid energy equation. Energy bar graphs might be useful. 1) A moving cart (mass =

For each problem, identify your system and develop a valid energy equation.

For each problem, identify your system and develop a valid energy equation. Energy bar graphs might be useful. 1) A moving cart (mass = 5.0 kg, velocity of 7.0 m/s) hits a spring (k = 1500 N/M) and slows to a stop. At the instant the cart is motionless, how much is the spring compressed? Initial Final Energy Equation: 2) A 0.025 kg bullet strikes a block of wood which exerts, on average, a force of 50,000N opposing the motion of the bullet. If the bullet is traveling 350 m/s, how far does the bullet penetrate? Initial Final Energy Equation:

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