Currents during lightning strikes can be up to 50000 A (or more!). We can model such a strike as a 49500 A vertical current perpendicular to the earth's magnetic field, which is about 12 gauss.
a. What is the force on each meter of this current due to the earth's magnetic field?
Answers: 2
Physics, 21.06.2019 13:20
Ball b is hanging from an inextensible cord. an identical ball a is released from rest when it is just touching the cord and drops through the vertical distance h a 5 8 in. before striking ball b. assuming e 5 0.9 and no friction, determine the resulting maximum vertical displacement h b of the ball b
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Physics, 22.06.2019 01:10
Asteam power plant operates on an ideal reheat rankine cycle between the pressure limits of 15 mpa and 10 kpa. the mass flow rate of steam through the cycle is 12 kg/s. steam enters both stages of the turbine at 500°c. if the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 10 percent, determine (a) the pressure at which reheating takes place, (b) the total rate of heat input in the boiler, and (c) the thermal efficiency of the cycle. also, show the cycle on a t-s diagram with respect to the saturation lines. (2.15 mpa; 45.0 mw; 42.6%)
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Physics, 22.06.2019 11:30
If forces acting on an object are unbalanced. true or false
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Currents during lightning strikes can be up to 50000 A (or more!). We can model such a strike as a 4...
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