The loaded car of a roller coaster has a mass of M = 320 kg. It goes over the highest hill with a speed v of 21.4 m/s. The radius of curvature R of the hill is [01] m. a. What is the force (N) that the track must exert on the car? (positive is up) b. What must be the force (N) that the car exerts on a 61 kg passenger?
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A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.
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Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?
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The loaded car of a roller coaster has a mass of M = 320 kg. It goes over the highest hill with a sp...
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