How to calculate the change in internal energy
Calculate the change in internal energy, ΔE, of a system that absorbs 300 kj of energy as heat from the surroundings and does 350 kJ of work.
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A 150 meter radius turn in a highway is designed such that 120 km/hr is the maximum safe speed of an automobile whose tires have a coefficient of friction of 0.4 for sliding (sideways) on the road. Determine the angle of banking for the road.
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