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An electron is moving through a region of space which possessesa uniform electric field and uniform magnetic field. The electricpoint in the positive x direction and has a magnitude of E = 2,500v/m. The magnetic field is pointing in the positive y direction and has a magnitude of B = 0.035 T. The electron has a speed of v =6.2x 106 m/s in the negative z direction. What is the direction and magnitude of the acceleration of the electron?
A thin rod has a length of .25 m and rotates in a circle on a frictionless tabletop. The axis is perpendicular to the length of the rod at one of its ends. What is the angular momentum of the rod before the bug started crawling
The primary winding of an step-up transformer has 100 turns and the secondary has 1300 turns. If the RMS input voltage is 110 V, what is the RMS output voltage
A shop sign is suspended from a uniform pole fixed to a wall and supported by a cable. The mass of the sign is 66 kg, and it's attached to the pole 2.1 m from the wall. The pole's mass is 18 kg and its length is 2.5 m.
Assume a falling body with mass m fellsan air resistance force which is proportional to the speed of the body (Fair= - bv),(a) determine the velocity as a function time for the body as well as the terminal velocity. (b) If the body falls downwith ..
An object placed 10.0 cm from a concave spherical mirror produces a real image 8.00 cm from the mirror. what is the position of the image
A metal sphere hangs from a string and has 4 kg of mass. The sphere has a charge of +2.3 µC. What is the electric force on the metal sphere if the magnitude of the electric field is 106 N/C
A uniform cylindrical turntable of radius 1.80 m and mass 25.2 kg rotates counterclockwise in a horizontal plane with an initial angular speed of 4pi rad/s. Find the final angular speed of the clay and turntable
Presume the electron is at the midpoint between the proton.
Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.23 10-3 g. Find the average pressure on the other walls
The threshold of hearing is defined as the minimum discernible intensity of the sound. It is approximately . Find the distance from the car at which the sound from the stereo can still be discerned. Assume that the windows are rolled down and that ea..
During the pitching motion, a baseball pitcher exerts an average og 60 N against the0.15kg baseball while moving it through a horizontal displacement of 2.0 m before he releases it
A hanging iron wire with diameter 0.15 cm is initially 2.4 m long. When a 184 kg mass is hung from it, Find the approximate value of the effective spring stiffness of the interatomic force
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