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a particle with a charge of 1.60*10^-19 and a mass of 1.67*10^-27kg is found moving in a uniform magnetic field of a strength 1.50T. the trajectory of the particle is perpendicular to the magnetic field and is circular with a radius of 1.80cm. calculate the kineic energy of the particle?
approximately what is the mass of an object whose weight equals the force from part "b"? can you lift such a mass.
It is then projected up the same plane with an initial speed 4.40 m/s. Explain how far up the incline will the block move before coming to rest?
if oxygen molecules are more massive than the nitrogen molecules, is the rms speed of the O2 molecules greater than, less than, or euqls to rms speed of the n2 molecules.
A positive charge of 0.800? C is located in a uniform field of 1.20×105 N/C. How close are the two charges
A metal ball bearing 1.0 cm above the bead feels a 0.035 N downward electric force, What is the charge on the ball bearing
The mass of a roller-coaster car, including its passengers, is 495kg. Its speed at the bottom of the track in the figure below is 17.00 m/s. The radius of this section of track is r1 = 26 m. Find the force that a seat in the roller-coaster car exerts..
A uniform door weighs 46-N and is 0.9 m wide and 2.5 m high. What is the magnitude of the torque because of the door's own weight about a horizontal axis perpendicular to the door and passing through a corner.
A stationary radar operator determines that a ship is 13km south of him. An hour later the same ship is 23km southeast. If the ship moved at constant speed and always in same direction, what was its velocity during this time? (Hint: Take the origi..
State the direction as an angle with respect to the +x axis.
A horizontal aluminum rod 4.8 cm in diameter projects 5.6 cm from a wall. A 1200 kg object is suspended from the end of the rod, Find the shear stress on the rod
a hot iron horseshoe(mass=0.50kg), which has just been forged,is dropped into 2.7 L of water in a o.45 kg iron pot initially at 22 degree celcius.If the final equilibrium temparature is 27 degree celcius, estimate the initial temparature of the hot..
A 9.00-V battery delivers a current of 1.35 A to the lightbulb filament of a pocket flashlight. Calculate the power delivered by the battery
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