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Onboard a starship, a demented alien creature releases a mixture of ideal gases made up of 4.00 lbm of molecular oxygen (O2) and 6 lbm of an unknown and possibly toxic gas. Before the gas mixture was released, you noticed that its original container had a volume of 10.0 ft3 , and at 150.°F, it had a pressure of 114.3 psia. Because you are a line officer engineer, the captain asks you for your assessment of the situation. Is the gas lethal? To draw a proper conclusion, you must determine
a. The molecular mass of the unknown gas.
b. The probable name of this gas.
c. The volume fraction of each gas present in the mixture.
A spacecraft is 110 km above the surface of the moon. What is the velocity of the spacecraft
a skydiver of mass 80 kg jumps from a slow-moving airplane and reaches a terminal speed of 50 ms. what is the
An RLC circuit is driven by a generator with an emf amplitude of 86.3 V and a current amplitude of 1.50 A. The current leads the emf by 0.516 rad. What are the (a) impedance and (b) resistance of the circuit?
A spacecraft approaching the earth launches an exploration vehicle. Find the speed of the exploration vehicle relative to spaceship
An investigation is performed using a apparatus. Electrons are accelerated from rest from the cathode by an electric potential difference. The cathode and anode are 2.00 x 10 ^-2 cm apart. The electrons reach a speed of 2.10 x 10^7 m/s as they pas..
In a collision between an alpha particle and an electron, what general considerations limit the momentum transfer
A Synchronous Turbo Generator is otating at 1800rpm, has acylindrical rotor(the rotor is the rotating component of the Turbogenerator) 3meters long, What is the kinetic energy possessed by the spinning rotor
A scaffold of mass 57 kg and length 6.5 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the cable closer to the painter
The electric field of a capacitor remains unchanged, if the plates change their separation, but the charges remain the same. Show with equations the new energy of the capacitor relative to the initial energy, if the separation is doubled.
A series RC circuit has a time constant of 0.950 sec. The battery has an emf of 45.0 Volt, and the maximum current in the circuit is 490 mA. Find what is the value of the capacitance
What is the attractive force between the protons. A rocket rises vertically, from rest, with the acceleration of 3.0 m/s2 until it runs out of fuel at an altitude of 1100 m. After this point, its acceleration is that of gravity, downward.
what is the electric potential energy of this atom?we calculated the associated electric potential energy. If the electron is initially at rest, how much work is required to "break apart" these two charges, that is, to separate them by a very larg..
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