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A quantity of liquid water comes into equilibrium with the air in a closed container, without completely evaporating, at a temperature of 25.0 °C. How many grams of water vapor does 9 liters of the air contain in this situation? The vapor pressure of water at 25.0 °C is 3.1690 kPa. (The molar mass of water is 18.0153 g/mol.)
Two tanks are engaged in a training exercise on level ground. The first tank fires a paint-filled training round with a muzzle speed of 240m/s at an angle 13.4, Find the distance between the tanks when the round was first fired
Earth has a mass of 5.98 × 1024 kg. The average mass of the atoms that make up Earth is 40 u. How many atoms are there in Earth
A thin film of alcohol (n = 1.36) lies on a flat glass plate (n = 1.51). When monochromatic light, find the minimum thickness of the film
A 2.0kg wood block is launched up a wooden ramp that is inclined at a 33 angle. The block's initial speed is 14. What speed does it have when it slides back down to its starting point
Albert pushes a 6-kg box across a level floor. He pushes with a force of 43 newtons, and observes that the box accelerates in the direction of his push, What must be the net force acting on the box
A 12.5 cm tall soft drink can has a mass of 17.0 g and contains 364 g of soda when full. Where is its center of mass when half full
a subatomic particle is traveling with a gamma factor of 20 as observed by a radiation monitor in a nuclear power plant. What is the proper lifetime of such a particle
The moon is slowly getting further from the earth by about 2 inches every year. At present, it takes the moon 27.321 days to orbit the earth. What is velocity in present day
Consider the Earth and a cloud layer 900 m above the planet to be the plates of a parallel-plate capacitor. what is the maximum charge the cloud can hold
A rod is initially at a uniform temperature of 0 o C throughout. One end is kept at 0oC , and the other is brought into contact with a steam bath at 100 o C.
Examine whether it is reasonable to ignore the effects of gravity for each particle. Evaluate the paths travelled by electron and proton and explain the differences.
A charge of -3.00 nC is placed at the origin of an x-y coordinate system, and a charge of 2.00 nC is placed on the y-axis at y=4.00cm. What are the magnitude and direction of the total force
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