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15 points!! pleas help! A rollercoaster cart that has a mass of 4500 kg has 67.5 kJ (kilojoules), or 67,500 J (joules), of gravitational potential
energy. What is its height above the ground?
PT.2
The same 4500 kg rollercoaster cart is moving with 63.0 kJ (kilojoules), or 63,000 J (joules), of kinetic energy at the
energy stored in the capacitor= 9.72 x 10⁻⁴ j explanation: the energy stored in the capacitor is given by e= 1/2 c v² e= energy stored c= capacitance= 1.5 µc= 1.5 x 10⁻⁶f v= potential difference=36 v so energy stored= e= 1/2 (1.5 x 10⁻⁶) (36)² energy stored= 9.72 x 10⁻⁴j
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