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A particle with mass 1.65e-12 kilogram and electric charge -8.22e-8 C moves perpendicularly to a uniform magnetic field of strength 5.45e-3 T. The angular momentum of the particle about the center of its circular orbit is 3.20e-10 kg•m2/s.
(a) Determine what is the radius of the circular orbit?
(b) Determine the speed of the particle?
A thin, uniform, metal bar, 2m long and weighing 90N , is hanging vertically from the ceiling by a frictionless pivot. Find the angular speed of the bar just after the collision
A 1kg ball with velocity 20m/s bounces perpendicularly off a wall so it has the similar speed afterward if the average force is20000N then how long in milliseconds did the collision take? A .5 kg ball, traveling 20 m/s, is struck by a bat, imparting ..
An automobile radiator is filled to the brim with 45 liters of glycerin coolant at 10 degrees C. How much glycerin overflows from the radiator as a result of expansion
In February 1955, a paratrooper fell 370 m from an airplane withoutbeing able to open his chute but happened to land in snow, find the magnitude of the impulse on him from the snow
You are standing 4.5m from a convex security mirror in a store. You estimate the height of your image to be half of your actual height. Estimate the radius of curvature of the mirror
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. find the index of refraction for violet light in plastic
In the high jump, Fran's kinetic energy is transformed into gravitational potential energy without the aid of a pole. With what minimum speed must Fran leave the ground
a test charge of +3x10-7 C is located 5cm to the right of a charge of -4x10-6 C and 10 cm to the left of a charge of -1x10-6 C.the three charges lie on a straight line. find the force on the test charge
You have a thermodynamic system with three states. You observe the probabilities p1 = 0.9, p2 = 0.09, p3 = 0.01 at T = 300K. What are the energies "2 and "3 of states 2 and 3 relative to the ground state?
Car C of mass 0.300 ± 0.001 kilogram has a speed of 2.12± 0.03 m/s and moves in the positive X direction. Find the total initial kinetic energy with uncertainty
A bicycle with wheels 48 cm in radius travels down the street with an initial speed of 7.00 m/s. What is the initial angular velocity of the wheels
An object is dropped from rest from a height of 3.74E+6 m above the surface of the earth. If there is no air resistance, what is its speed when it strikes the earth
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