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Consider three containers of the same volume that are thermally insulated (no heat is transferred) from each other, but are connected by thin pipes that allow gas to pass freely from one to another. The initial temperature and pressure of the gas in all three containers is Ti and Pi, respectively. Then, the temperature in the first container is doubled and the temperature in the second container is tripled, but the temperature in the third container remains the same. What is the final pressure Pf in terms of Pi ?
A bowling ball with a mass of 6.8 kg strikes a stationary pin that has a mass of 1.6 kg. After the collision, the pin flies forward (in the positive x direction) with a speed of 7.3 m/s, and the ball continues forward at 3.2 m/s (in the positive x..
How far did you travel on this trip? What was your average speed.
how much time passes before the brick lands on the ground.
A compact 60.00 kg object is attached to one end of a horizontal 40kg uniform steel tube 2.40 m long. What is the distance from the loaded end to the center of gravity of object-tube system?
A Molecule of DNA is 2.17 um long. The ends of the molecule become strongly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 0.78% upon becoming charged. Determine the effective spring con..
At t = 0 a grinding wheel has an angular velocity of 21.00 rad/s. It has a constant angular acceleration of 21 rad/s^2 until a circuit breaker trips at 2.40s. From then on it turns during 344 rad as it coasts to a stop at constant acceleration.
What will be the y-coordinate of the proton.
What are direction and magnitude of total velocity
An electron is at rest just above the surface of a sphere with the radius of 1.90 mm and a uniformly distributed positive charge of 2.1 x10-15 C.
The coefficient of volume expansion of coffee is the same as that of water. How much coffee (in cubic meters) has spilled out of the beaker.
The electrons in a metal that produce electric currents behave approximately as molecules of an ideal gas. The mass of an electron is me = 9.109x10-31 kg. If the temperature of metal is 311 K, what is the root-mean-square speed of the electrons.
A 120-g mug at 21C is filled with 210g of coffee at 91C. suppose all of the heat lost by the coffee is transferred to the mug, what is the final temperature of the coffee? The specific heat capacity of the mug is 7.8 X 10^2 J/(Kg C)
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