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Through the compression stroke of a diesel engine, air is compressed from 1 atm and 27 degrees C to 1/25 of its initial volume. Suppose that Cv for air is 2R and that the compression is adiabatic.
a) How much work is required per gram - mole?
b) What are the final temperature and pressure?
A spherical balloon containing oxygen gas has a radius of 13.2 cm. what is the mass of oxygen in the balloon
When the tungsten filament in a 60 W, 120 V light bulb reaches 2010degrees C, 60 W of electric power is used to produce light andheat. Find the current through the filament under these conditions which are established very shortly after the light i..
a 4kg mass is on the end of a 80 cm long cord. the mass is pulled to an angle of 35 degrees from the vertical and then
Jupiter has the strongest magnetic field in our solar system, about 14 at its poles. Approximating the field as that of a dipole, find Jupiter's magnetic dipole moment
What is the kinetic energy of a ball of mass 16.1 kg at the apex (highest point) of its trajectory, if it is thrown with an initial speed of 45 mph and an initial angle of 42.8 o with respect to the horizontal?
A 0.629-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
Wile. E. Cayote runs full-speed into a bank vault just as the door is closing. What was the doors angular speed right before the collision
A man pulls a 333,000 kg jet down a runway using a rope. The rope is attached to nose of jet and goes down at a 17 degree angle. Calculate acceleration of jet and normal force on jet
Two point charges are placed on the x-axis. Charge Q1=+3 microC at x==-6cm and charge Q2=+3microC at x=+6cm. Find the magnitude and direction of the total electric field at point P
A bucket of water of mass 15.3kg is suspended by a rope wrapped around a windlass, that is a solid cylinder with diameter 0.330m with mass 12.5kg . The cylinder pivots on a frictionless axle through its center.
A particle having charge q = +2.50 µC andmass m = 0.0100 kg is connected to a string that isL = 1.20 m long and is tiedto the pivot point P. The particle, string, and pivotpoint all lie on a frictionless horizontal table.
A hiker of mass 58 kg climbs up a mountain through a verticaldistance of 950 m. How much work does she do in changing her gravitationalpotential energy
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