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A 6-m3 rigid tank initially contains a mixture of 1 kmol of hydrogen (H2) gas and the stoichiometric amount of air at 25°C. The contents of the tank are ignited, and all the hydrogen in the fuel burns to H2O. If the combustion products are cooled to 25°C, determine
(a) The fraction of the H2O that condenses and
(b) The heat transfer from the combustion chamber during this process.
An astronaut on a small planet wishes to measure the local value of g by timing pulses travelling down a wire which has a large object suspended from it. Imagine the wire of mass 3.80 g is 1.60 m long and has a 3.00-kg object suspended from it. A pul..
When the current through an inductor increases from 8 A to 10 A, the energy stored in it increased by 44 µJ. What is the self inductance of the inductor
A pole-vaulter is nearly motionless as he clears the bar, set 4.2m above the ground. What is his acceleration as he comes to rest on the pad
At the Earth's surface, a projectile is launched straight up at a speed of 10.3 km/s. To what height will it rise
A ball of mass .5 kg moves perpendicular to the door by the speed of 10 m/s. The door has a mass of 3 kg and a width of 2 m and is hinged about one end. The moment of inertia of a bar rotated about its end is 1/3 Ml^2. The ball strikes the end of the..
A mass of 0.79 kg, attached to a spring by a spring constant of 67 N/m, is set into simple harmonic motion. What is the magnitude of the acceleration of the mass when at its maximum displacement of 0.51 m from the equilibrium position?
Under normal conditions, humans radiate electromagnetic radiation of frequency 3.33 x 1013 Hz. What is the wavelength associated with this radiation
Brian is trying to pull Julie on a sled across a flat snowy field. Brian pulls on a rope attached to the sed. His pulling force is directed forward and upwards at a 30 degree angle above horizontal. Julie's mass is 50kg and the sleds mass is 8kg. If ..
The index of refraction for violet light in silica flint glass is 1.66, and that for red light is 1.62. What is the angular spread of visible light passing through a prism of apex angle 60° if the angle of incidence is 20°
water vapor is a polar gas whose diellectric constant exhibits an appreciable temperature dependence .the following
Two cars are travelling on a desert road. After 5s, they are side by side at the next telephone pole. The distance between the poles is 70m.
A 61 kg skater and a 77 kg skater stand at rest on frictionless ice. They push off, and the 61 kg skater moves at 1.9 m/s in the + x-direction. What's the other's velocity? (Express your answer to two significant figures and include the appropriate u..
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