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Problem: The 20G Centrifuge of NASA at its Ames Research Center has a radius of 29 feet and can create an artificial gravity on a person in the device up to twenty times of the actual weight of the person.
Part A: What is its spinning speed in term of revolutions per minute (rpm) when producing the maximum artificial gravity?
I need help to find its spinning speed in term of revolutions per minute.
a spherical shell with an inner radius of 10 cm and outer radius of 12 cm contains a net charge 10uc. at the center of
Suppose a ball rolls off a horizontal table and lands 1.5m out from the edge of the table. If the table k top is 90 cm above the floor, decide (a) the time the ball is in the air, (b) the ball's speed as it left the table, (c) k the horizontal and ve..
The ground state energy of a harmonically oscillating electron is 1.24 eV. How much energy should be added to the electron to move it to the second excited state.
A crate with a weight of 50N rests on a horizontal surface. Aperson pulls horizontally on it with a force of 10N and it does notmove. To start it moving, a second person pulls vertically upwardon the crate. If the coefficient of static friction is 0...
A ring of diameter 11.00 cm is fixed in place and carries a charge of +5.00 µC uniformly spread over its circumference. What is the maximum speed it will reach
You walk 30 meter south and 30 meter east. Obtain the direction and magnitude of the resultant displacement both algebraically and graphically
How fast should a car move toward you for the car's horn to sound 2.88% higher in frequency than as the car is stationary? The speed of sound is 343 m/s.
A 10 kg crate (begins 3m off the ground) slides along a smooth horizontal frictionless surface at a constant speed of 4 m/s. What is the kinetic energy as it slides on the upper surface
A student throws a water balloon vertically down from the top of a building. The balloon leaves the thrower's hand with the speed of 16 m/s. How fast is it traveling after 2.6 seconds.
A ball is thrown off a 24 m high cliff at 7 m/s, 50o above the horizontal. How long does it take to hit the ground
A positron is a particle of "antimatter"; it has the same mass as an electron (9e-31 kg), but its charge is positive instead of negative. At research facilities such as Cornell Electron Positron Storage Ring at Cornell University in New York, high..
The convex lens of a copy machine has a focal length of 25.0 cm. A letter to be copied is placed 40.0 cm from the lens. How far from the lens is the copy paper? The machine was adjusted to give an enlarged copy of the letter. How much larger will the..
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