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A uniform magnetic field of 1.5 T points due north. A proton is moving die west in this field at the speed of 2.0 x 107 m/s. Obtain the magnitude and direction of the magnetic force on the proton.
Three charges, +q, +2q, and +4q, are linked by strings (Assume that the middle charge is fixed in space and the other 2 charges are held there by the tension alone.)
A tennis ball of mass 57 g is traveling in the + x direction with a speed of 38 m/s. What is the change in momentum of the ball during the hit
A disk 7.96 centimeter in radius rotates at a constant rate of 1290 rev/min about its central axis. Evaluate the radial acceleration of a point on the rim
The mass of the ball is 1.65 kg, and the mass of the block is 2.27 kg. The length of the wire is 1.23 m. What is the algebraic expression for the speed of the ball just before the collision with the block
What value of capacitance will ensure that an output voltage stays within 3 percent of the rated 22v . find an electric field between them and surface charge density on the plate.
a particle moves along the x axis. it is initially at the position 0.180 m moving with velocity 0.100 ms and
An automobile of mass m = 1100 kg is being towed by a truck whose driver observes that the tension in the rope is T = 3700 N, What is the work done to overcome friction in the car
Find the radius of an electron's orbit when it moves perpendicular to a magnetic field of 0.56 with a speed of 6.29×10^5 m/s
Assume a kid puts her bicycle on its back and starts the rear wheel spinning from rest to a final angular velocity of 250 rpm in 5 second. Evaluate what the angular acceleration
If a curve with a radius of 85 m is properly banked for a car travelling 68 km/h, what must be the coefficient of static friction for a car not to skid when travelling at 97 km/h.
A luggage carousel has the form of a section of a large cone, rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 20o with the horizontal. Find the force of static friction between bag and c..
A rubber rod is rubbed with fur. The fur is then quickly brought near the bulb of an uncharged electroscope. find the sign of the charge on the leaves of the electroscope
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