Physics, 28.12.2019 01:31 liaholmes8
An energy plant produces an output potential of 1500 kv and serves a city 143 km away. a high-voltage transmission line carries 500 a to the city. the effective resistance of a transmission line [wire(s)] is 2.4 ω/km times the distance from the plant to the city. consider the money lost by the transmission line heating the atmosphere each hour. assume the energy plant produces the same amount of power; however, the output electric potential of the energy plant is 20 % greater. how much money per hour is saved by increasing the electric potential of the power plant? answer in units of dollars/hr.
Answers: 3
Physics, 21.06.2019 21:50
Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?
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Physics, 22.06.2019 04:30
Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?
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Physics, 22.06.2019 11:00
Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
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An energy plant produces an output potential of 1500 kv and serves a city 143 km away. a high-voltag...
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