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Imagine that the force of gravity has been turned off, and we wish to keep the Moon in its current orbit around the Earth, using the electrostatic (Coulomb) interaction. Inother words, we are imagining that instead of gravity holding theMoon in its orbit, the force is electricity. How much charge do youneed to place on the Moon in the form of electrons (with anidentical amount in the form of protons on the Earth) if you are to provide the same centripetal acceleration that currently exists. (Again, you want an equivalent electrical forcethat is currently being provided by gravity.) Compare with the mass of yourbody. Are you surprised by this answer? The electrostatic force is STRONG, man!! (or woman!!!) (Youwill have to look up the mass of the Moon and Earth to find whatthe actual gravitational force is....)
On average, each American produces 20,000 kg of CO2 per year, mostly through the consumption of fossil fuel such as oil, coal, and natural gas. what would be the length of each side of the cube
A scuba diver is 40 m below the surface of a lake, where thetemperature is 5 degrees C. He releases an air bubble with avolume of 15 cm^3. What is the volume of the bubbleright
An ideal gas has a pressure of 2.5 atm, a volume of 1.0L at at temperature of 30 degrees Celcius. How many molecules are there in the gas
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle, What is the mass of the wheel
A small telescope has a concave mirror with a 4.00-m radius of curvature for its objective. Its eyepiece is a 4.25-cm focal length lens. What is the angle of its telescopic image?
A diverging lens with a focal length of -14 cm is placed 10 cm to the right of a converging lens with a focal length of 18 cm. Where will the final image be located
The image behind a convex mirror (radius of curvature = 96 cm) is located 15 cm behind the mirror. What is the magnification of the mirror
The spaceship Enterprise 1 is moving directly away from earth at a velocity that an earth-based observer measures to be +0.80c. A sister ship, What is the velocity of Enterprise 2
find magnitudes of the tension forces in the first two ropes. what is the velocity of the cart when it reaches its greatest y coordinate.
A proton and an alpha particle after being accelerated through same potential difference enter a uniform magnetic field the direction of which is perpendicular to their velocities
A 0.145 kg baseball pitched at 42.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 52.0 m/s. calculate the average force between the ball and bat
A merry-go-round starts from rest and reaches the angular speed of 4 rpm in the first two minutes. What would be the angular acceleration of the merry-go-round
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