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An electron is moving in a concentric circular orbit inside asolenoid of radius 4.89 cm, in such a manner that it grazesthe inside surface of the coil at all the points of its orbit. Thespeed of the electron is 9,820 m/s, and the solenoid has3.50×103 turns/m. Assume the coils of the solenoid are sothin the electron moves essentially at the radius of the solenoid.What electric current is passing through the solenoid?
A high-speed flywheel in a motor is spinning at 450 rpm when a power failure suddenly occurs. The flywheel has mass 37.0kg and diameter 71 cm. The power is off for 27.0s and during this time the flywheel slows due to friction in its axle bearings...
A storage tank 27 m high is filled with pure water, Calculate the magnitude of the net force that acts on a square access hatch at the bottom of the tank that measures 0.6 m by 0.6 m
0.75mol of argon gas is admitted to an evacuated 70cm3 container at 40 degrees C. estimate the final pressure of the gas
The drawing shows a triple jump on a checkerboard, starting at the center of square A and ending on the center of square B, What is the magnitude of the displacement of the colored checker during the triple jump
A 5 m x 12 m swimming pool slopes linearly from a 1.20 m depth at one end to a 3.40 m depth at the other. What is the mass of water in pool.
question1prairie dogs live in underground burrows with at least two entrances. one entrance is higher above ground and
An elevator is moving up at a constant velocity of 2.5 m/s Calculate the force the floor exerts on the passenger, Calculate the force the floor exerts on the passenger
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 139, the banking angle is ? = 31°, Find the minimum speed that the car can have without slipping
In an experiment performed in a space station, a force of 38 N causes an object to have an acceleration equal to 5 m/s2. What is the object's mass
In refraction the angle of refraction depends on the wavelength, longer wavelengths bend less. How does the wavelength affect the angle of reflection
A horizontal rope is tied from a house to a pulley and down to a paint bucket filled with sand. what is the mass of the bucket of sand
An electric field with an average magnitude of about 220 N/C points downward in the atmosphere near Earth's surface. We wish to "float" a sulfur sphere weighing 4.8 N in this field by charging the sphere. What charge (in C), with the proper sign, mus..
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