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calculate the final pressure of a sample of water vapour that expands reversibly and adiabatically from 87.3 Torr and 500 cm^3 to a final volume of 3.0dm^3.Take gamma=1.3.
X rays diffract from a crystal in which the spacing between atomic planes is 0.179nm. What is the angle of the first-order diffraction
If the coefficient of static friction is 0.500, what minimum force magnitude is required from the rope to start the crate moving
A wheel of radius 0.6 m starts from rest and accelerates without slipping with an angular acceleration of 2.0 rad/sec2 for 10 s. How far does the wheel travel in this time
Models of torpedoes are sometimes tested in a horizontal pipe of flowing water, much as a wind tunnel is used to test model airplanes. With what speed must the water flow in the part of the pipe
A spring with k=620 N/M is stretched with a tension of 40 N. What is the potential energy of the stretched spring
An electron in a vaccuum is first accelerated by a voltage of 10,000 volts, find the force of the electron due to the magnetic field
A planet of mass 6.00 1025 kg is in a circular orbit of radius 2.00 1011 m around a star. The star exerts a force on the planet of constant magnitude 5.03 1023 N. The speed of the planet is 4.09 104 m/s. All through this half "year", how much work is..
By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, find the masses of pieces 1 and 2
Several different waves were created using the same string. The tension of the spring is was kept the same for each wave. What charecteristic is the same for all waves
You and a friend are studying late at night. There are three 150 W light bulbs and a radio with an internal resistance of 79.0, How much electrical power are you using
Standing at a crosswalk, you hear a frequency of 520 Hz from the siren of an approaching police car. After the police car passes, observed frequency of the siren is 455 Hz. Establish the car's speeds from these observations.
An x-ray tube is operated at 45000 V. Find the minimum wavelength of the radiation emitted by this tube
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