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a parallel plate capacitor that is moving with a speed of 31 m/s through a 4.1-T magnetic field. The velocity v is perpendicular to the magnetic field. The electric field within the capacitor has a value of220 N/C, and each plate has an area of 8.7 × 10-4 m2. What is the magnitude of the magnetic force exerted on the positive plate of the capacitor?
It is used to push a 0.50 kilogram block 50 centimeter along a horizontal frictionless track then up theta=30o incline which has a kinetic friction coefficient of 0.10. Compute how high above the track does the block rise
The magnetic field of the Earth at a certain location is directed vertically downward and has a magnitude of 49.0 µT. A proton is moving horizontally towards the west in this field with a speed of 6.40*106 m/s. What is the radius of the circular arc ..
Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. A friend throws Olaf a ball of mass 0.400 that is traveling horizontally at 11.5 . Ola..
Four lawn sprinkler heads are fed by a 1.9 cm diameter pipe. The water comes out of the heads at an angle of 33° to the horizontal and covers a radius of 7.8m. What is the velocity of the water coming out of each sprinkler head? (Assume zero air resi..
When two identical ions are separated by a distance of 5.9 10-10 m, the electrostatic force each exerts on the other is 6.0 10-9 N. Evaluate how many electrons are missing from each ion?
An electron is 0.030 m from a proton and has velocity 10 m/s towards the proton. What is the speed of the electron
On a cold winter day, the outside temperature is -5.0 °C. What is the cost to heat the garage for six hours at these temperatures if the cost of electricity is $ 0.11/kWh?
An automobile on a flat track travels at 28 m/s around a curve with a 56 meter radius. Find the automobile's centripetal acceleration
A large positively-charged object with charge q = 3.75 ?C is brought near a negatively-charged plastic ball suspended from a string of negligible mass. what is the angle the string makes with the vertical
A car is traveling down around a banked curve in the road. The curve has a radius of 300 m and is banked at an angle of10.0o. (a) At what speed is no friction required? (b)Suppose it is snowing and the coefficient of friction is 0.2, what are the ..
The crankshaft in a race car goes from rest to 3360rpm in 2.0s . What is the crankshaft's angular acceleration
A family ice show is held in an enclosed arena. The skaters perform to music playing at a level of 87.5 dB. What is the combined sound level
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