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An ?-particle has a charge of +2e and a mass of 6.64 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.38 106 V and then enters a uniform magnetic field whose magnitude is 3.90 T. The ?-particle moves perpendicular to the magnetic field at all times.
(a) What is the speed of the ?-particle?
m/s
(b) What is the magnitude of the magnetic force on it?
N
(c) What is the radius of its circular path?
m
To construct a solenoid, you wrap insulated wire uniformly around a plastic tube 14cm in diameter and 55cm in length, What is the total length of wire you will need to meet these specifications
The coefficient of volume epansion for diesel is 9.5*10 to the power of negative 4 degrees celcius an the coefficient of linear expansion for the steel truck is 11 times 10 mto the power of negative 6 degrees celcius.
An 11.00 kg crate is placed on a horizontal conveyor belt. The materials are such that static friction = 0.47 and kinetic friction = 0.24.
When the electric power was turned off, the electric motor originally running at 1800 rpm comes to rest in 15.0 s. Find out the angular acceleration, the angular velocity at the end of 5.0 s, and the total angle turned through in 15.0 s.
Positive electric charge is distributed in the shape of an infinitely long insulating cylinder of radius R and volumetric charge density ?=?0(1-r/R), Find an expression for the linear charge density
A woman is riding a Jet Ski at a speed of 28.8 m/s and notices a seawall straight ahead, what is the minimum distance from the seawall that she can begin making her turn and still avoid a crash
Electric charge can accumulate on an airplane in flight. You may have observed needle-shaped metal extensions on the wing tips and tail of an airplane, What is the electric field at the surface of each sphere
Hooke's Law states that the force needed to stretch a spring is proportional to the amount the spring is stretched. If 10.0 N of force stretches a spring 4.00cm
A 63.00 kg person on skis starts from rest down a hill sloped at 33° from the horizontal. The coefficient of friction between the skis and the snow is 0.190.
whose third coordinate is the vertical displacement between the planes. Consider east to be the positive x axis and north to be the positive y axis.
a 12.0 kg mass lies at x=-80.0 cm. A 21.0 kg mass is at x= 70.0 cm. The 12.0 kg mass is not moved to a different point on the x-axis. There is not a zero net force on the 10.0 kg mass. What is the new location of the 12.0 kg mass
Two point charges lie on the x axis. A charge of 6.2uC is at the origin, and a charge of -9.4uC is at x=10.0cm. What is the net electric field at x=+4.0cm
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