Physics, 03.07.2019 06:20 cindykulei3719
Two dynamically similar hydraulic turbines operate with same effective head. if their speed ratio n1/n2 2, what is their power ratio, w1/w2 = ? a)- 0.25 b)- 4 c)- 2 d)- 1
Answers: 1
Physics, 21.06.2019 19:30
The 20@kg wheel has a radius of gyration about its center g of kg = 300 mm. when it is subjected to a couple moment of m = 50 n # m, it rolls without slipping. determine the angular velocity of the wheel after its mass center g has traveled through a distance of sg = 20 m, starting from rest.
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Physics, 21.06.2019 22:30
Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?
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Physics, 22.06.2019 09:30
An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?
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Physics, 22.06.2019 11:10
An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?
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Two dynamically similar hydraulic turbines operate with same effective head. if their speed ratio n1...
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