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An ideal gas at 24.6°C and a pressure 1.60 105 Pa is in a container having a volume of 1.00 L.
(a) Determine the number of moles of gas in the container.
(b) The gas pushes against a piston, expanding to twice its original volume, while the pressure falls to atmospheric pressure. Find the final temperature.
An airplane must reach a speed of 189mi/h to take off. If the runway is 472m long, what is the minimum value of acceleration that will allow the airplane to take off successfully.
a stone is projected at a cliff of height h with an initial speed of 44.0 m/s directed at an angle θ0 = 62.0° above the horizontal. find the height h of the cliff
What is the gauge pressure of the water at the pump? Suppose steady, laminar flow of water, no viscosity, and no air drag on the water jet. The acceleration of gravity is 9.81 m/s2.
Assume that a 16.5 m/s wind is blowing across the roof of your house. The density of air is 1.29 kg/m3. Conclude the reduction in pressure (below atmospheric pressure of stationary air) that accompanies this wind.
A horizontal wire is free to slide on the vertical rails of a conducting frame, what is the terminal speed of the wire
A 3000-kg Ferris wheel accelerates from rest to an angular speed of 0.17rad/s in 11s, What is the net torque on the wheel
A 2 meter wire carrying 0.9 A of current is at a 90 degree angle to a magnetic field. compute the strength of the field
The block on the left hass a mass of 0.40 kg and is initially moving to the right at 2.4 m/s toward a second block of mass 0.50 kg that is initially at rest. What is the velocity of the first block after the collision
A 250 g block is dropped onto a relaxed vertical spring that has a spring constant of k = 3.5 N/cm, What is the speed of the block just before it hits the spring
An open train car, with a mass of 2030 kg, coasts along a horizontal track at the speed 2.45 m/s. What is the car\'s speed after the loading is completed
A 668-kg elevator starts from rest and moves upward for 4.30 s with constant acceleration until it reaches its cruising speed, 1.65m/s. What is the average power of the elevator motor
Two thermally insulated reservoirs each contain 2 kg of water at temperatures of 80 °C and 20 °C respectively, Determine the find equilibrium temperature and find the change in entropy of the local universe in the mixing process
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