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(A) What angle(s) does a particle's velocity have to make with the magnetic field direction for the particle to be subjected to half the maximum possible magnetic force, Fmax?
(B) Express the magnetic force on a charged particle in terms on Fmax if the angle between its velocity and the magnetic field direction is (i) 10 degrees, (ii) 80 degrees, and (iii) 100 degrees.
(C) if the particles's velocity makes an angle of 50 degrees with respect to the magnetic field direction, at what other angle(s) would the magnetic fore on it be the same? Explain.
She comes to rest 3.00 m under the surface of the water. Identify the magnitude of the average force that the water exerts on the diver. This force is nonconservative.
53.53 J of heat are removed from a gas sample while it is being compressed by a piston that does 52.01 J of work. What is the change in internal energy of the gas
A motorist drives along a stright road at a constant speed of 15.0 m/s. Just as she passes a parked motorcycle police officer starts to accelerate at 2.00 m/s2 to overtake her. Assuming the officer maintains this acceleration, the time it takes (in s..
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 18cm, what's the balloon's new radius
A simple harmonic oscillator is described mathematically by x=0.25 sin(4.2pt +0.54px), What are the amplitude, speed and period of the wave
Two electrons are located at two of the vertices of an equilateral triangle, one at each vertex. The length of one side of the triangle is 1.00 nm. What is the net electric field at the third vertex
pivot without friction about the point O. This pendulum is released from rest in a horizontal position, How far does the block move before coming to rest
A motorcycle and a police car are moving toward one another. The police car emits sound with a frequency of 532 and has a speed of 25.5. The motorcycle has a speed of 12.50. What frequency does the motorcyclist hear in this case?
In the quark model of fundamental particles, a proton is composed of three quarks: two "up" quarks, each having charge +2e/3, and one "down" quark, having charge -e/3. Suppose that the three quarks are equidistant from one another. Take the distance ..
croquet balls all have a mass of 0.5kg. the green ball is moving at 12.0ms and strikes a blue ball which is still after
A 3.00 kg block starts from rest at the top of a 29.5° incline and slides 2.00 m down the incline in 1.25 s. Find the frictional force acting on the block
In San Francisco a very simple technique is used to turn around a cable car when it reaches the end of its route. The car rolls onto a turntable, what is the net torque (in N*m) applied to the car
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