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1. A cylinder contains 12 L of oxygen at 20oC and 15 atm. The temperature is raised to 35oC , and the volume is reduced to 8.5 L. What is the final pressure of the gas in atmospheres? Assume that the gas is ideal.
2. A gas expands from an initial volume of 0.40m3 to a final volume of 0.62m3 as the pressure increases linearly from 110 kPa to 230 kPa. Find the work done by the gas.
a 100 omega resistor is connected to a 220 v 50 hz ac supply.a what is the rms value of current in the circuit?b what
A picture is supported by two cords, each making an angle 53o with the horizontal. If the tension in each cord is 10 Newton. Calculate the weight of the picture
At a county fair, two children ram each other head-on while riding on the bumper cars. Determine the speed of Jack and his car after the collision
Light of 550nm is incident on two slits. A maximum is seen at an angle of 4.10 degrees and a minimum at 4.78 degrees. What is the distance between the slits
Air @ 100F db, 65F wb, and sea-level pressure is humidified adiabatically with steam. The steam supply contains 20% moisture at 14.7 psia. Find the dry bulb temperature of the humidified air using the psychometric chart
Problem 1: Which of the following multiples of the fundamental frequency will not produce resonance for a children swing?
a basketball player who is 2 m tall is standing on the floor 10 m from the basket. If he shoots the ball at a 40.0 degree angle with the horizontal, at what initial speed should he throw so that is goes through the hoop without striking the backbo..
A small piece of Styrofoam packing material is dropped from a height of 1.50 m above the ground. Until it reaches terminal speed, magnitude of its acceleration is given by a = g - bv. After falling 0.40 m, the styrofoam effectively reaches its ter..
an outfielder throws a 0.145kg baseball to the shortstop with a speed of 30m/s at an angle of 20 degrees above the horizontal. How far does the ball travel
A particle is moving with a certain speed. Its speed and momentum are being measured with respect to Earth. What was the original speed of the particle
The drive propeller of a ship starts from rest and accelerates at 2.50 x 10-3 rad/s2 for 2.15 x 103 s. find the total angular displacement of the propeller
A tennis ball on Mars, where the acceleration due to gravity is 0.379g and air resistence is negligible, How fast was it moving just after being hit
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