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The temperature of 1kg of mercury at 200e is increased by 50C under conditions of constant volume. How much heating is required?
(Take the volume expansivity ß = 1.81 X 10-4 K-1, specific heat at constant pressure Cp = 139J/kg· K, isothermal compressibility, k = 3.94 X 10-11 Pa-1 to be constant.)
A skier of mass 65.0 kg is racing down a giant slolam course. She starts at the top of the top of the course at rest. Over the course of her run, Calculate the force of kinetic friction over her run
An electric car is being designed to have an average power output of 6,300 W for 2 h before needing to be recharged. (Assume there is no wasted energy.)
A wave with a frequency of 230Hz and a wavelength of 12.9cm is traveling along a cord. The maximum speed of particles on the cord is the same as the wave speed. What is the amplidute of the wave?
Evaluate the heat loss per meter for each of the combinations you can figure out. Summarize the result in a graphical way, such as a table, such that they are easy to read and understand.
An electron moving with a speed of 4.7×105m/s in the positive x direction experiences zero magnetic force. Find the components of the magnetic field
a moving rod is observed to have a lenght of 2m and to be oriented at an angle of 30 degrees with respect to the direction of motion. what is the orentation angle in the proper frame
A submarine submerges to a depth of 144 meters. Compute the pressure on the submarine. State your answer in both Pascal and atmospheres.
Make a table summarizing the rules for circuits with resistors: How to combine resistors in parallel, how do voltages behave in series and in parallel
Megan's mass is 28kg. She climbs the 4.8m ladder of a slide and reaches a velocity of 3.2m/s at the bottom of the slide. How much work was done by friction on Megan? Assume that air resistance is negligible.
Four charges are placed at the corners of a rectangle. If q1 = 43.0 x 10-9 C, q2 = 29.0 x 10-9 C, q3 = -42.0 x 10-9 C, q4 = -56.0 x 10-9 C, What would be the magnitude of the electrical field
Two people hear a tornado siren, What is the intensity level (in dB) at the farther listener relative to the other listener
A 9.22 kg ball, hanging from the ceiling by the light wire 145.00 cm long, is struck in an elastic collision by a 1.20 kg ball moving horizontally at 6.46 m/s just before the collision.
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