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A gas of diatomic molecules is in equilibrium at a temperature of 340 K. Assuming that the rotational inertia of the molecule is 2.5 x 10-40 kg•m2, Find what is the rms angular speed of the molecules? Compute the mean angular momentum of the molecules?
An electron with a speed of 7.00 108 cm/s enters an electric field of magnitude 1.00 103 N/C, traveling along the field in the direction that retards its motion. (a) How far will the electron travel in the field before stopping momentarily?
A 1,200 kg car going 25 m/s is brought to stop using its brakes. Let's assume that a total of approximately 20 kg of iron in the brakes, What was the car's original kinetic energy
typical blood velocities in the coronary arteries range from 10 to 30 cms. an electromagnetic flowmeter applies a
A ball of mass 5.0 kg is lifted off the floor a distance of 1.7 m. What is the velocity of ball just before it hits the floor
You measure the period of your heartbeat on a particular EKG graph to be 0.9451 ± 0.06576 seconds. What is your heart rate in beats per minute
A circular loop of wire of radius 0.50 m is in a uniform magnetic field of 0.30 T. The current in the loop is 2.0 A. What is the magnetic torque when the plane of the loop is perpendicular to the magnetic field
The C note of the C-major scale on a piano has a fundamental frequency of 264Hz, and the A note has a fundamental frequency of 440Hz. determine the ration of tension in the two string
Water flows over a section of Niagara Falls at the rate of1.4 x 106 kg/s and falls 53.0 meters. Compute how much power is generated by the falling water
An electron is confined to move in the xy plane in a rectangle whose dimensions are Lx and Ly. That is, the electron is trapped in a two-dimensional potential well having lengths of Lx and Ly. In this situation, the allowed energies of the electron d..
A long, straight wire carries a current of 4 A to the right. Next to the wire is a square loop with sides 1.0 m in length. Calculate the magnitude of the net force acting on the loop
A 15-cm-long metal rod pulled along two frictionless, conducting rails at a constant speed of 3.5 m/s. What is the current induced in the rod
a motorcycle is following a car that is traveling at constant speed on a straight highway. initially the car and the
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