Aman stands on a merry-go-round that is rotating at 1.58 rad/s. if the coefficient of static friction between the man's shoes and the merry-go-round is μs = 0.45, how far from the axis of rotation can he stand without sliding? (enter the maximum distance in meters.) m
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Physics, 22.06.2019 12:50
Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
Answers: 2
Physics, 22.06.2019 13:40
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Physics, 22.06.2019 14:00
The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?
Answers: 2
Aman stands on a merry-go-round that is rotating at 1.58 rad/s. if the coefficient of static frictio...
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