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A) A sample of ideal gas is at a temperature of 504 K. Calculate the average kinetic energy of each of its molecules.
B) In a constant-temperature process, the pressure of a gas is allowed to decrease from 6.7Af-105 Pa to 2.4Af-105 Pa. Find the final volume for an initial volume of 0.69 m3.
A gold prospector finds a solid rock that is composed solely of gold and quartz. Evaluate the mass of the gold in the rock
A spring gun fires a ball horizontally at 14 m/s. It is mounted on a flatcar moving in a straight line at 25 m/s. Relative to the ground, what is the horizontal speed of the ball when the gun is aimed forward
Velocity of a moving particle is expressed by v = 2t2-t3, where y is in m and t is in seconds. What is its average velocity between t=0 and t=2seconds
question1if you drop a rock from a height of 7.1 m it accelerates at g and strikes ground 1.20374 s later.if you drop
How much energy was added to accomplish the transformation. What force must be exerted on the smaller piston to support the load.
The Sahara desert with a very arid climate is one of the hottest regions in the world. Find by how many Celsius degrees does the temperature fall in the 24-hr period
Since volume is inversely proportional to pressure, volume decreases as pressure increases.
The lowest note on a flute is middle C, with f = 262 Hz. How long is a flute? What are the three lowest harmonics supported by a flute?
question1to measure weight of the cat a person places a 100 n box and a 60 n box from the ends of a uniform pole that
The nearby town of Bellefonte, PA features the Gamble Mill, an old mill originally used to grind grain into flour - 1800s hydropower. At $0.07 per kWh, what is this energy worth per day
The left face of a biconvex lens has a radius of curvature of 18.8 centimeter, and the right face has a radius of curvature of 15.8 centimeter. Calculate what is the focal length of the lens
A 60 kg man is ice-skating due north with a velocity of 6.0 m/s when he collides with a 36 kg child. What is the direction of the child's velocity just before the collision
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