Each of the four jet engines on an Airbus A380 airliner develops a thrust (a forward force on the airliner) of 322,000 N (72,000 lb). When the airplane is flying at 250 m/s (900 km>h, or roughly 560 mi/h), what horsepower does each engine develop?
Added by Ronald B.
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Power is the rate of doing work or the amount of energy transferred per unit time. In physics, power is defined as the work done per unit time. The formula for power is: P = F * v where: P is power, F is force, v is velocity. Given that the force (F) is 322,000 Show more…
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The air surrounding an airplane in flight exerts a drag force that acts opposite to the airplane's motion. When an Airbus A380 is flying in a straight line at a constant altitude at a constant 250 m/s, each of the four jet engines on the Airbus A380 develops a thrust force of 322,000 N. What is the rate at which the drag force does work on the Airbus A380? Note: one horsepower (hp) is 764 W.
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Each of the four jet engines on an Airbus A380 airliner develops a thrust (a forward force on the airliner) of 322,000 N. When the airplane is flying at 250 m/s, what horsepower does each engine develop? A skier of mass 70 kg is pulled up a slope by a motor driven cable. A.) How much work is required to pull him 60m up a 30° slope (assumed frictionless) at a constant speed of 2 m/s? B.) What power (expressed in hp) must a motor have to perform this task?
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