Physics, 26.11.2019 02:31, Thrillseeker886
Acat dozes on a stationary merry-go-round, at a radius of 4.3 m from the center of the ride. the operator turns on the ride and brings it up to its proper turning rate of one complete rotation every 6.6 s. what is the least coefficient of static friction between the cat and the merry-go-round that will allow the cat to stay in place, without sliding?
Answers: 1
Physics, 22.06.2019 13:00, Bbmonstr8279
What effects result when there is an impact between earth and an asteroid? check all that apply. a. massive flooding. b. extinction of many life forms. c.major earthquakes change in average global temperature. d. giant dust cloud
Answers: 3
Physics, 22.06.2019 21:10, bri9263
Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius ํ
=0.381meters and mass ํ=3.1ํํ. initially ํ"is on the ground and ํ#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of ํ#just before it strikes the ground. assume the pulley bearing is frictionless.
Answers: 2
Physics, 22.06.2019 23:40, Demondevilg
Along wire of diameter 1 mm is submerged in an oil bath of temperature โ 31ยฐc. the wire has an electrical resistance per unit length of 0.01 ฯ/m. if a current of 103 a flows through the wire and the convection coefficient is 500 w/m2ยทk, what is the steady-state temperature of the wire? from the time the current is applied, how long does it take for the wire to reach a temperature that is within 1ยฐc of the steady-state value? the properties of the wire are 8000 kg/m3, 500 j/kgยทk, and 20 w/mยทk.
Answers: 3
Acat dozes on a stationary merry-go-round, at a radius of 4.3 m from the center of the ride. the ope...
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