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A skydiver with his parachute has a combined mass of 79 kg and an approximate frontal area of 0.71 m^2.
Calculate the terminal velocity of this skydiver in a horizontal position.
The density of air is 1.21 kg/m^3 drag coefficient C skydiver horizontal = 1.0. The skydiver deploys his parachute. It has a frontal area of 24 m^2 and a drag coefficient of 1.5 .
Calculate the terminal velocity once the parachute is deployed.
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A Carnot engine whose high-temperature reservoir is 400K takes in 520 J of heat at this temperature in each cycle, compute the temperature of the low-temperature reservoir
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What frequency is heard by an observer who hears the 450-Hz siren on a police car traveling at 35 m/s away from her
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There is also blue light which has a transmitted angle in the water that is 0.56 degrees smaller than that of the red light in the water. What is the incident angle of blue light
What should be the spring constant of a spring designed to bring a 1500 car to rest from a speed of 80 so that the occupants undergo a maximum acceleration of 5.
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