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Assume that electrical attractions, rather than gravity, were responsible for holding the Moon in orbit around the Earth.
Part A
If equal and opposite charges Q were placed on the Earth and the Moon, what must be the value of Q to maintain the present orbit? Utilize these data: mass of Earth=5.98×1024kg, radius of orbit=3.84×108m, mass of Moon=7.35×1022kg,. Treat the Earth and Moon as point particles.
A hand-cranked AC generator is used to cause 0.65 A of current (rms), What is the minimum average rate at which work must be done on the generator
A generator is made from a set of 7000 loops of area 5.00 cm2rotating at an angular frequency of 600 radians per second. Themagnetic field is created by a solenoid, completely surrounding the generator coil, and carrying a current of0.500 A.
A airplane travelling at 52 m/s (w) down a runway begins accelerating uniformly at 2.8 m/s squared (w) find what is the planes velocity after 5.0 second
a component with a 44 ohm resistor is rated for use at power levels not exceeding 2451 mw. how much current can safely
The pendulum is now swinging on Pluto. Calculate the new period of oscillation in terms of T, knowing that on Pluto the gravity is 1/16 of gravity on the Earth
Suppose 3.0 moles of a monatomic gas are maintained at a constant volume. By how much does the temperature increase if 800.0 J of heat is put into the gas
A bicycle tire pump has a piston with area .44in.2. what pressure does this produce on the air in the pump
Bacteria vary somewhat in size, but a diameter of 2.00?m is not unusual, What would be the volume (in cubic centimeters)
my kids came up with a form of tether ball where they attached a ball to a string and let it swing around the role.
Two converging lenses (f1 = 9.00 cm and f2 = 6.00 cm) are separated by 18.0 cm. The lens on the left has the longer focal length, Locate the final image relative to the lens on the right
A baking dish is removed from a hot oven and placed on a cooling rack. As the dish cools down to 37° C from 192° C, What was the net radiant power of the baking dish when it was first removed from the oven
The starter motor of a car engine draws a current of 160A from the battery. How much charge passes through the starter motor
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