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A gas mixture contains 2.50 mol of O2 and 3.00 mol of Ar. What is the molar specific heat at constant volume for this mixture? . What is the molar specific heat at constant pressure for this mixture?
A speeder is pulling directly away and increasing his distance from a police car that is moving at 21 m/s with respect to the ground. compute the speeder's speed with respect to the ground
A 11.20 kg object oscillates at the end of a vertical spring that has a spring constant of 2.10 104 N/m. The effect of air resistance is represented by the damping coefficient b = 3 N•s/m.
Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. Determine the volume of each cube.
A 6.4g lead bullet traveling at 460m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in te..
A quantity of heat is removed from a hot reservoir at absolute temperature T and then is added to a cold reservoir at absolute temperature T/2. The cold reservoir experiences an entropy increase S. What is the change in the entropy of the universe..
A plane, diving with constant speed at an angle of 49 ° with the vertical, releases a projectile at an altitude of 570 m. The projectile hits the ground 7.0 s after release.
The partition is now removed, and the water expands to fill the entire tank. Find out the final temperature of the water and the volume of the tank for a final pressure of 10 kPa.
A figure skater performs a triple twisting jump. She rotates around her vertical axis three times while she was in the air find the figure skaters average angular speed
When a 0.31-kg mass is attached to a vertical spring, the spring stretches by 15 cm. How much mass (total) must be attached to the spring to result in a 0.53-s period of oscillation
Estimate the acceleration of cyclist, and roller coaster.
You travel to an alien planet. The local population tries very hard to tell you what gravity is on the surface. You cannot understand them, and do not have a tool to calculate gravity directly. You also ran out of water. They offer a liquid to you, o..
A source emits sound uniformly in all directions. A radial line is drawn from this source. On this line, determine the radial positions of two points, 0.786m apart, such that intensity level at one point is 1.72 dB greater than that at the other.
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