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In an internal combustion engine, air at atmostpheric pressureand a temperature of about 20 degrees celcius is compressed in the cylinder by a piston to 1/9 of its original volume (compressionratio = 9.0). Estimate the temperature of the compressed air,assuming the pressure reaches 40 atm.
An electric dipole is formed from 1.0nC charges spaced 3.00 mm apart. What is the electric field strength at the given points
A flat coil of wire of 18 turns and area 4 m^2 is placed in a uniform magnetic field of 0.6 T. Determine the magnetic flux through the coil
A car uniformly decelerates at a rate of -5.00 m/s^2. How far does the car travel after 1.5 seconds if it initially was moving at a speed of 25 m/s
A hydrogen atom consists of a single proton and a single electron. Experimentally it is found that it takes 13.6eV of energy to strip the electron from the proton. calculate the size of the hydrogen atom
a heat engine takes in 1000J of energy from a hot reservoir and expels 750J of energy to the cold reservoir in each cycle find the efficiency of the heat engine
What friction torque is necessary to reduce its angular speed from 90.0 {rm rpm} to 45.0 {rm rpm} in a time interval of 32.0 {rm s}.
Over a certain region of space, the electric potential is given by: V = 3x^2 - 2xy + xyz, Find the expressions for the x, y, and z components of the electric field over this region
the coefficient of static friction is 0.26. If you apply the minimum force needed to get the refrigerator to move, illustrate what will the acceleration then be?
The total translational kinetic energy of the molecules of a sample of gas at 421 k is 3.95x10^4j. Find the average translational kinetic energy of a single molecule
If linear momentum is conserved when there is no external force applied, how is angular momentum conserved
A horizontal desk surface measures 2.52 m x 2.05 m. If Earth's magnetic field has magnitude 0.463 mT, what is the magnetic flux through the desk surface
A jetliner, traveling northward, is landing with a speed of 65m/s. Once the jet touches down, it has 715 m of runway in which to reduce its speed to 6m/s
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