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One can not align the apparatus to eliminate entirely the effects of the Earth's magnetic field. Consider the case where electrons having accelerated through V then enter the uniform field region between the Helmholtz coils. With the coil current set to zero, the electron beam was observed to have a slight curvature due to the earth's magnetic field. The current in the coil had to be set to 0.518 A to set the electron beam exactly straight. If each coil has 65 turns and has a mean radius of 66.0 cm, calculate the component of the earth magnetic field perpendicular to the entering electron beam:
The current in a 51 resistor is 0.14 A. This resistor is in series with a 28 resistor, and the series combination is connected across a battery
A car travels at a constant speed around the circular track or a radius of 2.6 km. it goes around the track once in 360 seconds.
A child is riding across a rough field on a sled. Together, she and the sled have a mass of 73 kg. The sled is being pulled by her brother at an angle of 16º with a force of 356 Newtons. What is her acceleration if the coefficient of kinetic friction..
A fuel leak is discovered at this point, and crew calculates that the plane can safely fly no more than 170 km before an emergency landing should be attempted. The only appropriate location for an emergency landing is 100 km north of their current po..
A 1.7kg block oscillates on a spring with spring constant 16N/m . At t = 0 s the block is 20 cm to the right of the equilibrium position, obtain the period of the oscillation.
After a day of testing race cars, you decide to take your own 1420 kg car onto the test track. While moving down the track at 10 m/s, you regularly accelerate to 32m/s in 10 s. What is the average net force that you have applied to car during the ..
61 L of a gas at standard temperature (273K) and pressure (101,481 atm) is compressed to 33L. What is the new pressure of the gas
Two wires of the same cross-sectional area and length, but made of different materials, are connected in series. what is the resistivity of the other material
A 700 kg piston is initially held in place by a removable latch above a vertical cylinder. The cylinder has an area of 0.1 m^2; the volume of the gas within the cylinder is initially 0.1 m^3 at a pressure of 10 bar.
An air core solenoid is used as an inductor in an oscillating LC circuit with a 1.50 \muF capacitor. The solenoid had a diameter of 6.40 cm, Find the number of turns in the solenoid
Determine the location of the center of mass of the molecule as measured from the hydrogen atom (Chlorine is 35 times more massive than hydrogen.).
A cowboy at a dude ranch fills a horse trough that is 1.50m long, 65cm wide and 45cm deep. He uses a 2cm diameter hose from which water emerges at 1.50m/s.
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