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Physics Conservation of mechanical Energy

Physics Conservation of mechanical Energy. Conservation of Mechanical Energy. A roller coaster hill is 40 meters high. Assuming a roller coaster car starts from rest at the top, calculate The speed of the roller-coaster car at the bottom of the hill

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Physics Conservation of mechanical Energy

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  1. PhysicsConservation of mechanical Energy

  2. Conservation of Mechanical Energy • A roller coaster hill is 40 meters high. Assuming a roller coaster car starts from rest at the top, calculate • The speed of the roller-coaster car at the bottom of the hill • At what height it will have half of this speed?

  3. Conservation of Mechanical Energy • A dart of mass 0.100 kg is pressed against the spring of a toy dart gun. The spring (with spring stiffness constant k = 250 N/m) is compressed 6.0 cm and released. If the dart detaches from the spring when the spring reaches its natural length (x = 0), what speed does the dart acquire?

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