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Suppose a modern power plant has a 1.00-GW electric power output at 500 V. It is stepped up to a transmission voltage of 750 kV in a series of five identical transformers.
(a) What is the output current at the plant?
(b) What is the turn ratio in each of the transformers?
(c) What is the current in the high voltage delivery lines?
A diver springs upward from a board that is 5 meters above the the water. determine her peak height measured above the water
For each of the currents listed in table 2, and using the inductance of the coil found by experiment, determine the total stored energies in the coil
A circular window with 0.5m radius on a submarine can withstand a maximum pressure of 8900 N/m^2. How deep can the sub safely dive
Calculate the de Broglie wavelength of a 4.6 MeV alpha particle emitted from an atomic nucleus whose diameter is approximately 1.6 x 10-14 m. Calculate its minimum kinetic energy according to the uncertainty principle.
A child sit down in a seat on a Ferris wheel. Suppose the wheel has a radius of 70m, By this time, what angle has the child rotated through
If the person in the figure lowers his forearm with mass 1.2kg to be 15 degrees below horizontal, how much force must the biceps exert to hold the 500g ball
An extension cord is used with an electric weed trimmer that has a resistance of 18.7 ?. Determine the resistance of the extension cord
The total current delivered to a number of devices connected in parallel is the sum of the individual currents in each device. Obtain the total current delivered by the source
On a horizontal, frictionless table, an open-topped 5.50kg box is attached to an ideal horizontal spring having force constant 390N/m. Find the period of the resulting motion of the box
The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by a 14-g nail when it is struck by a 550-g hammer moving with an initial speed of 3.3 m/s.
A Father pulls his sons across the son on a sled. The children and sled together weigh 550-N. The father pulls the sled with a force of 400-N at an angle of 40 degrees above the horizontal. Avoiding friction, determine out the acceleration of the ..
The Andromeda galaxy is at a distance of 2.1 X 1022 m from our Galaxy. The mass of Andromeda is 6 X 1041 kg and the mass of our Galaxy is 4 X 1041 kg. What is the acceleration of our Galaxy
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