Physics, 28.08.2019 17:30 softballlover5
Aheavy rope, 50 ft long, weighs 0.4 lb/ft and hangs over the edge of a building 140 ft high. approximate the required work by a riemann sum, then express the work as an integral and evaluate it. how much work w is done in pulling the rope to the top of the building?
Answers: 1
Physics, 21.06.2019 14:20
The eel has a certain amount of rotational kinetic energy when spinning at 14 spins per second. if it swam in a straight line instead, about how fast would the eel have to swim to have the same amount of kinetic energy as when it is spinning?
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Physics, 21.06.2019 22:30
An engineer designs a roller coaster so that a car travels horizontally for 162 ft, then climbs 127 ft at an angle of 31.0° above the horizontal. it then moves 127 ft at an angle of 46.0° below the horizontal. if we take the initial horizontal motion of the car to be along the +x-axis, what is the car's displacement? (give the magnitude of your answer, in ft, to at least four significant figures and give the direction of your answer in degrees counterclockwise from the +x-axis.)
Answers: 1
Physics, 22.06.2019 05:50
There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?
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Aheavy rope, 50 ft long, weighs 0.4 lb/ft and hangs over the edge of a building 140 ft high. approxi...
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