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A) The uniform purely axial magnetic induction required by the experiment in a volume large enough to accommodate the Lorentz Tube is produced by the Helmholtz Coils. What is the magnetic induction due to a coil current 1.5 Ampere? convert the result in the still popular non-SI unit Gauss (1 Tesla = 10^4 Gauss).
B) In a single measurement student applied electron gun accelerating voltage of 240 V and measured electron orbital diameter of 8 cm. The applied magnetic induction was the same as in Problem 1. What specific charge of the electron follows from the above measurement?
The electric field at point P just outside the outer surface of a hollow spherical conductor of inner radius 15 cm and outer radius 31 cm has magnitude 465 N/C and is directed outward.
At a certain time a model car's speed was 24 m/s in the positive x direction, What was the average acceleration of the car during this 8.0 s interval
A high-speed drill reaches 2000 rpm in 0.50 s. What is the drill's angular acceleration? Through how many revolutions does it turn during this first 0.50s.
When are the displacement, velocity, and acceleration equal to zero for the motion of a mass on a spring? A. at maximum displacement B. at minimum displacement C. at the equilibrium position D. at a displacement of 2x E.at a displacement of 1/3x.
A rope exerts a constant horizontal force of 250N to pull a 60 Kg crate across the floor.
A penny of mass 3.1g rests on a small 20g block supported by a spinning disk. The coefficients of friction between the block and disk are 0.75 (static) and 0.64 (kinetic).
Two objects (39.0 and 23.0 kg) are connected by a massless string that passes over a massless, frictionless pulley, find the acceleration of the objects
An airplane starting from airport A flies 280 km east, then 365 km at 29.0° west of north, and then 130 km north to arrive finally at airport B.
The parallel plates in a capacitor, with a plate area of 6.10 cm2 and an air-filled separation of 3.20 mm, are charged by a 4.30 V , find the work required to separate the plates
If the angle between wires supporting the street lamp is reduced to 110°, what is the tension in each wire.
A soccer player 'heads' the size 5 ball deflecting it by 46.0°, and keeps its speed of 15.90 m/s constant. A size 5 ball has a mass of approximately 0.421 kg. What is the magnitude of the impulse which the player must impart to the ball.
What is the volume of air at atmospheric pressure (100kPa) that must be pumped into a tyre that has a volume of 0.1 cubic meter?
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