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an electric current of 1.00 A is flowing through a copper filament diameter 1.00 mm, number of conduction electrons per unit volume 8.4 x 10^ 28 m^-3.
a) calculate the average electron velocity v and the ?- factor, the positive and negative charge densities in the S' frame, and the charge density surplus.
b) calculate (in the S frame) the Lorentz force and (inthe S' frame) the columb force exerted on an elementary charge moving at velocity v parallel to, and at a distance of 1.00 cm from, the axis of filament.
A particle with a mass of 4.10 × 10-20 kg is oscillating with simple harmonic motion with a period of 2.9 × 10-5 s and a maximum speed of 2.3 × 103 m/s.
A .450 kg ice puck, moving east with a speed of 3m/s, has a head-n collision with a .900 kg puck initially at rest. Assume a completely elastic collision, what will be the speed and direction of each object after collision.
Two circuits contain an emf produced by a moving metal rod, like that shown. The speed of the rod is the same in each circuit, other than the bulb in circuit 1 has one-half the resistance of the bulb in circuit 2.
A long cylindrical tube of length L, and density ?t, is very slightly weighted on one end so that it floats upright in a fluid having density, determine the period of the oscillation in terms of L, t, and f
A 2 liter aluminum cylinder at 5 °C is filled to the brim with gasoline at the same temperature. If the aluminum and gasoline are warmed to 60 °C, how much gasoline spills out.
A force vector has a magnitude of 595 newtons and points at an angle 39o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector.
Assume that the net horizontal force is due to rolling friction only and take free-fall acceleration to be = 9.80 .What is the coefficient of rolling friction for the tire under low pressure.
What is the density of Kripton gas at standard temperature and pressure? The atomic mass of Kripton is 83.80 atomic mass unit
What is the Professors initial velocity. He is pushed a distance 3.00 m along the incline by a group of students who together exert a constant horizontal force of 595 N. The professor's speed at the bottom of ramp is 1.70 m/s.
how much time passes before the police car overtakes the speeder after the speeder passes (assumed moving at constant speed).
solve this problem using either tabulated values from the tables or constant specific heats. Calculate the temperature of the exit stream
assume a spherical planet P has a uniform density of 4.72*10^3 kg/m^3 and a radius R=3604 km. For a parcel that weighs 64 N on the surface of the (spherical) earth.
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