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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 0.478 A to set the electron beam exactly straight. If each coil has 65 turns and has a mean radius of 65.5 cm, calculate the component of the earth magnetic field perpendicular to the entering electron beam:
A man slides along a long water slide and then being launched into the air to land in a water pool. Find the magnitude of the velocity at landing
Assuming the sun to be a blackbody with a surface temperature of 6000K, Determine the loss in solar mass per day due to this radiation
Two charged balls are 20.0 cm apart. They are moved, and force on each of them is tripled. How far apart are they now.
Determine the wave speed on the string and determine the speed of sound from the data given.
A ski jumper takes off at an angle 20 degrees above the horizontal with a speed of 30.0m/s, Calculate the time of flight
A positively charged He+ atom has two protons in the nucleus and one electron in the shell. In a classic model of the atom, What is the radius of the orbit
A stunt driver wants to make his car jump over 8 cars parked side by side below a horizontal ramp as seen in the figure below. With what minimum speed must he drive off the horizontal ramp to just barely make it across
A home run is hit in such a way that the baseball just clears a wall 13 m high, located 135 m from home plate. Find the time it takes the ball to reach the wall
A spaceship travels at a speed of 0.90c to a star that is 9.0 ly away. what is the distance travelled during the trip
Two 1.7 kg masses are 1.7 m apart on a frictionless table. Each has +1.1 µC of charge. What is the initial acceleration of the mass if it is released and allowed to move
A 45kg figure skater is spinning on the toes of her skates at 0.50rev/s . Her arms are outstretched as far as they will go. In this orientation, What is her new rotation frequency, in revolutions per second
A plane wave of wavelength 580 nm is incident on a slit with a width of a = 0.50 mm. A thin converging lens of focal length +80 cm is placed between the slit, How far is the screen from the lens
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