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Consider an ideal gas contained in a confined volume. How would the pressure of the gas change if..
1. The number of molecules of the gas was double, without changing the container or the temperature?
2. The volume of the container was doubled, without changing the number of molecules or the temperature?
3. The temperature (in K) of the gas was doubled, without changing the number of molecules or the volume of the container?
4. The rms speed of the molecules was doubled, without changing the number of molecures or the volume of the container?
An object moves with constant acceleration 4.20 m/s2 and over a time interval reaches a final velocity of 11.0 m/s. What is the total distance it travels during the interval
The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket provides. What is the current coming from the wall socket
A 1.0-cm diameter pipe widens to 2.0 cm and then narrows to 5.0 mm. Liquid flows through the first segment at a speed of 4.0 m/s. What is the volume flow rate through the pipe
The Beretta Model 92S (the standard-issue U.S. army pistol) has a barrel 127 long. The bullets leave this barrel with a muzzle velocity of 334 .What is the acceleration of the bullet while it is in the barrel, assuming it to be constant?
Consider a collection of 4 "Fermi" dice. That is, no two die may have the same face up. What is the average value of the sum of the dice
Two different simple harmonic oscillators have the samenatural frequency (f=8.00 Hz) when they are on the surface of theEarth. Calculate the new frequency of the pendulum
A current sensitive circuit in a portable DVD player consists of anDC power source and a lightbulb that is used as a indicator light.If we add an inductor to the circuit, would the lightbulb shinebrighter, dimmer, or with the same intensity as bef..
A charged object moving with a velocity v = 210 m/s passes through a magnetic field of B = 0.70 T that is oriented at an angle of 350 relative to the velocity. what is the magnitude of the charge on the object
A solid, square pinewood raft measures 3.6m on a side and is 2.70 m thick. What is the total mass of swimmers that the raft can carry and float withits top surface at water level?
A Metra train is moving at a speed of 25.0 m/s. As it approaches astation its horn emits a sound of frequency 750. Hz. Calculate the frequency detected by a personstanding still at the station.
A motorcyclist intends to perform a stunt in which he jumps a river 25 meters wide. The motorcyclist must jump from a cliff on one side to a cliff 20 meters lower on the other side. How far will he travel in a horizontal direction
A uniform disk of radius R=0.50m and mass, M=10kg is free to rotate about an axle through its center. What is the net torque on the disk about the center of the disk
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