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A sealed 88 m3 tank is filled with 4000 moles of ideal oxygen gas (diatomic) at an initial temperature of 270 K. The gas is heated to a final temperature of 350 K. The atomic mass of oxygen is 16.0 g/mol. The final pressure of the gas, in MPa, is?
What is the tension in each cable if angle between each and the direction the crate moves is 12°.
assume a long, straight wire carries a current of 6.5 .what would be the frequency of vibrations.
A 50 kg person performs a maximum vertical jump with an intial velocity of 2m/s. What is the performer's maximum kinetic energy during the jump
explain the separation between the two sources. What is the displacement of the car between 3 P.M. and 6 P.M.
Determine the effective coefficient of kinetic friction between the wheel and the wet rag.
The force of the wind on the sails of a sailboat is 410 N north. The water exerts a force of 240 N east. If the boat (including crew) has a mass of 330 kg, illustrate what are the magnitude and direction of its acceleration?
A railroad car of mass 2.52 x10^4 kg, is moving with a speed of 3.94 m/s. It collides and couples with three other coupled railroad cars, each of the equal mass as the single car and moving in the equal direction with an initial speed of 1.97 m/s.
A group of hikers hears an echo 3 s after shouting. If temperature is 16°C, how far away is the mountain that reflected sound wave.
What is an initial velocity of the boulders
A locomotive accelerates a 25-car train along a level track. Every car has a mass of 7.6 ? 104 kg, What is the tension in the coupling between the first car and the locomotive
A bullet with mass 4.85 g is fired horizontally into a 2.040-kg block attached to a horizontal spring, Find the initial speed of the bullet-block system
Dust particles are pulverized rock, which has density 2500 kg/m3. They are approximately spheres 20 ?m in diameter. what is the root-mean-square speed (thermal speed) of a dust particle at 60°C
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