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Answer the following questions:
(a) A magnetic field that varies in magnitude from point to point but has a constant direction (east to west) is set up in a chamber. A charged particle enters the chamber and travels undeflected along a straight path with constant speed. What can you say about the initial velocity of the particle?
(b) A charged particle enters an environment of a strong and non-uniform magnetic field varying from point to point both in magnitude and direction, and comes out of it following a complicated trajectory. Would its final speed equal the initial speed if it suffered no collisions with the environment?
(c) An electron travelling west to east enters a chamber having a uniform electrostatic field in north to south direction. Specify the direction in which a uniform magnetic field should be set up to prevent the electron from deflecting from its straight line path.
a 1320-kg car is traveling with a speed of 18.0 ms. what is the magnitude of the horizontal net force that is required
The rear axle of a truck is 2.5 m long. If the truck is moving at 28 m/s and the vertical component of the earth’s magnetic field is 3.2 *10^-5T, what emf is induced between the ends of the axle?
A 5.65 kg object is released from rest while fully submerged in a liquid. The liquid displaced by the submerged object has a mass of 2.5 kg. How far and in what direction does the object move in 0.200 s, assuming that it moves freely and that the ..
a 0.465 kg wood block is firmly attached to a very light horizontal spring k 165 nm . it is noted that the
To determine the specific heat of an object, a student heats it to 100 in boiling water. She then places the 68.5 object in a 196 aluminum calorimeter containing 135 of water. The aluminum and water are initially at a temperature of 19.5, and are ..
if you plot a best-fit line for data on a graph of position vs. time, what units does the lines (vertical) intercept have
a loading car is at rest on a track forming an angle of 25 degrees with the vertical. the gross weight of the car and
Tall Pacific Coast redwood trees (Sequoia sempervirens) can reach heights of about 106 . If air drag is negligibly small, how fast is a sequoia cone moving when it reaches the ground
when a charged particle moves at an angle of 20deg with respect to a magnetic field it experiences a magnetic force of
the tractor-trailer unit is moving down the incline with a speed of 6.8 mihr when the driver brakes the tractor to a
Two wheels have the same mass and radius of 4.8 kg and 0.54 m, respectively. One has (a) the shape of a hoop and the other (b) the shape of a solid disk. The wheels start from rest and have a constant angular acceleration with respect to a rotational..
The surface between a 12kg block , the 16kg wedge and between 16 kg wedge and the horizontal plane are smoothe, What is the force F which must be exerted on the 16 kg block in order that the 12 kg block
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