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When a current flows in an aluminum wire of diameter 4.35 mm, the drift speed of the conduction electrons is 2.57 × 10-4 m/s. What is the electron current in the wire? The conduction electron density in aluminum is 6.00 × 1028 m-3.
At the end of the trip she measures the pressure to be 3 105 Pa. Ignoring the expansion of the tires, find out the air temperature inside the tires at the end of the trip.
If a 0.20 kg ball falling with a velocity of 3.0 m/s makes a perfectly elastic collision with the floor, how much impulse will the floor place on the ball during the collision
question1though you are sitting on a park bench with your friend you take hold of his hat and start running in a
A laser with wavelength d/8 is shining light on a double slit with slit separation 0.3 {rm mm}. This results in an interference pattern on the screen a distance L away from the slits. We wish to shine a second laser, with a different wavelength, t..
A three-step cycle is undergone by n moles of an ideal diatomic gas: (1) the temperature of the gas is increased from T_1 to T_2 at constant volume, compute the efficiency of the cycle in terms of T_1 and T_2
consider a category five hurricane that has a maximum wind speed of 160 mph at the eye wall, 10 miles form the center of the hurricane. if the flow in the hurricane outside of the hurricane's eye is approximate as a free vortex, determine the wind sp..
A cube of wood have and edge dimension of 20.0cm and a density of 650 kg/m^3 floats on water. what mass of lead should be place on the cube
Two cars of equal mass collide on a horizontal frictionless surface. What is the speed of the composite body (AB) after the collision
Two blocks A and B of mass D and E respectively are kept in contact on a frictionless table. what is the force exerted by the expirimenter on A
The output voltage of an AC generator is given by ?v = (160 V) sin (50?t). The generator is connected across a 19.0-? resistor, By inspection, what is the maximum voltage
Find out the constant force that must be exerted on him to bring him to rest in a distance of 1.2 m in a time interval of 0.20 s.opposite the fullback's direction of motion.
Calculate the rotational inertia of a wheel that has a kinetic energy of 24,400 J when rotating at 641 rev/min
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