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Can someone answer these 2 questions for me in depth?
1. A group of students found an old DC electric motor in a box. They were looking for a small generator they could use to power their computer while they were out camping. Explain how they might do this with the motor they found.
2. A 100 MW power station generates energy at 26.0 kV. The power lines must carry only 200 A of current to be efficient enough. To what voltage must the potential be increased?
Should the federal appeals court deny Broom and Miller's appeal and enforce the decision of the state district court finding upholding the discharge of the two whistleblowers? Explain your reasoning.
an green hoop with mass mh 2.6 kg and radius rh 0.13 m hangs from a string that goes over a blue solid disk pulley
An electron is accelerated to a speed where its total energy is 169 times larger than its rest energy. What is the speed of the electron in terms of the speed of light
An 82.2 ohm and a 40.5 ohm resistor are connected in parallel. When this combination is connected across a battery, the current delivered by the battery is 0.304 Amp. Calculate the internal resistance of the battery
Two radio waves are used in the operation of a cellular phone. To receive a call, the phone detects the wave emitted at one frequency by the transmitter station or base unit.
The spring shown in the figure is compressed 50 cm and used to launch a 100 kg physics student. How far up the incline does the student go
A block is projected up a 20.0° frictionless incline with an initial speed 12 m/s. How high up the plane does the block slide before coming to rest
an electric motor operating at 200 v draws a current of 5 a at its full speed. the resistance of the amature is 10 ohm.
A 66.0 kg person throwsa 0.0400 kg snowball forwardwith a ground speed of 32.0 m/s. A second person, with a massof 59.0 kg, catches thesnowball. Both people are on skates. The first person is initiallymoving forward with a speed of2.00 m/s, and th..
A comet has a very elliptical orbit with a period of 124.0 y. If the closest approach of the comet to the Sun is 0.09 AU, what is its greatest distance from the Sun
Where is the near point of an eye for which a contact lens with a power of +2.80 diopters is prescribed? cm (in front of the eye)
suppose a random sample of 49 is selected from a population with a standard deviation of 14. if the sample mean is 125
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