Physics, 14.10.2019 20:10 catzdatbloadd
Consider the following four cases in which a man holds a rod of negligible weight in either the vertical or the horizontal position. forces are applied at either end of the rod. only one force of 100 lb is applied at a time. the man is blindfolded so he cannot see where the force is being applied; however, the man can detect differences through his hands, which must hold the rod stationary. which of the following statements are true? check all that apply. view available hint(s) check all that apply. in case a, the man will feel both a force to the right and a twisting force (moment) in the clockwise direction about his hand. in case b, the man will only feel a force to the right.
Answers: 2
Physics, 21.06.2019 23:00
The key to stability is feedback between the reservoir and the fluxes into and/or out of the reservoir. assume that the rate of outflow from a reservoir depends on the size of the reservoir according to the following relationship: outflow rate= k x (size of reservoir), where k is a constant. a reservoir of water has a volume of 5000 liters, and the rate of outflow at steady state is 25 liters per minute. what is k? (give both the numerical value and its units.) what is the residence time? what is the relationship between k and the residence time?
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Physics, 22.06.2019 12:30
Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.
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Physics, 22.06.2019 15:50
An object with initial temperature 130 ∘ f is submerged in large tank of water whose temperature is 50 ∘ f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = − 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )
Answers: 1
Physics, 22.06.2019 19:00
Ahorizontal force of 400.0 n is required to pull a 1760 n truck across the floor at a constant speed. find the coefficient of sliding friction.
Answers: 1
Consider the following four cases in which a man holds a rod of negligible weight in either the vert...
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