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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 golfer imparts a speed of 27.3m/s to a ball, and it travels the maximum possible distance before landing on the green. How much time does the ball spend in the air
Two ships are floating at rest in the ocean somewhere. Ship A (1100kg with an escape pod onboard) fires an escape pod horizontally at ship B (2000kg). What is the speed of the escape pod after it left the ship A? Assume that the ship glides throug..
You have a sample of Xenon in a rectangular container. The gas exerts a total force of 58.1 N perpendicuar to one of the container walls, Calculate the pressure of your sample
A copper-constantan thermocouple generates a voltage of 4.55 10-3 volts when the temperature of the hot junction is 103.4° C, what is the temperature of the hot junction when the voltage is 1.94 10-3 volts
Suppose that you pull on the rope OA shown in the figure, exerting a 50 N force F at O. What are the force vectors
A block with mass 0.5 kilograms is covering a hole in a horizontal table. From below the table a bullet with mass 5 grams is fired straight up. Calculate the speed with which the bullet hit the block
A person is standing outdoors in the shade where the temperature is 33° C. What is the radiant energy absorbed per second by his head when it is covered with hair
two gear wheels with radius of 25 cm an 60 cm have interlocking teach. How many radians does the smaller wheel turn
A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 9.0m from the takeoff point. What is the Kangaroos horizontal speed
An automobile tire has a volume of 0.0185 m3. If the pressure in the tire is 500 kPa and the temperature is 298 K, how many molecules are there inside the tire
The drill bit of a variable-speed electric drill has a constant angular acceleration of 3.15 rad/s2. The initial angular speed of the bit is 5.95 rad/s. what is the bit's angular speed
A sphere of copper that has a radius of 5 cm is compressed uniformly by a force of 3.0 108 N. Calculate the change in volume of the sphere
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