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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 0.476A to set the electron beam exactly straight. If each coil has 64 turns and has a mean radius of 65.6 cm, calculate the component of the earth magnetic field perpendicular to the entering electron beam
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what is the potential difference between the plates.Take the zero of the gravitational potential energy to be at the position of the child as the ropes are horizontal.
The bullet remains in the block, and after the impact the block lands d = 1.5 m from the bottom of the table. Evaluate the initial speed of the bullet.
A ball is thrown from a rooftop with an initial downward velocity of magnitude vo = 5.8 m/s. The rooftop is a distance above the ground, h = 43 m.
When the effective interest rate is 12%, illustrate what is the market value of a 16%, 8-year, $1,000 bond that pays interest quarterly?
A mass m1 = 3.8 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 5.5 kg which hangs freely from the string, What is the tension in the string as the block falls
How much force does a 150,000 N/C force exert on a deuteron.
Assume the ball leaves Sarah's hand a distance 1.5 meters above the ground, reaches a maximum height of 15.0 m above the ground, and takes 2.692 s to get directly over Julie's head. What is the speed of the ball when it leaves Sarah's hand? m/s 6)..
An isolated conductor has a net charge of +7.90*10^- 6 C and a cavity with a particle of charge q = +2.30*10^-6 C, find the charge on the cavity wall and outer surface
A sotne of mass 0.3 kg tied to the end of string in ahorizontal plane in whriled round in a acircle of radius 1m, What is the tension in the string? What is the max speed with which the stone can be whriled around
Write the expression of the force fl j corresponding to the Uu potential energy term. Derive the expression of the distance r m i n at which Uu has its minimum value, as a function of the parameters a and/or E.
The rotational inertia of a collapsing spinning star changes to 1/4 its initial value. What is the ratio of the new rotational kinetic energy to the initial rotational kinetic energy.
The electric field on the axis of a uniformly charged ring has magnitude 400kN/C at a point 5.6cm from the ring center, Find the rings radius and charge
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