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In a certain automobile engine with an efficiency of 20.9%, combustion of gasoline in one cylinder releases 510 J of heat.
(a) Find the work done by the system of gasoline vapor and air on the surroundings during one cycle.
(b) Find the total mechanical power produced by all four cylinders, operating at 48 cycles/s, or 2880 rpm.
A person walks 36° north of east for 2.36 km. How far would another person walk due north and due east to arrive at the similar location.
monochromatic light is normally incident on one face of a prism with a right triangle for a base. the light travels through the prism such that it strikes the hypotenuse of the triangle from inside.
A beam of light in air strikes a piece of glas (n = 1.59), Find the angle of incidence if the angle of reflection is twice the angle of refractio
A beaker of mass 325 g is sitting on a table. The beaker is filled with 210 g of water. The beaker and water are initially in thermal equilibrium at 22 ?C, What is the specific heat of the beaker
A circular loop of wire with areal A lies in the xy-plane. As viewed along the z-axis looking in the -z direction toward the origin, Determine the vector magnet moment of the current loop
Calculate the force of gravity on a spacecraft 32000 km (5 earth radii) above the Earth's surface if its mass is 1800 kg. N (toward the earth)
A ski tow operates on a slope of angle 14.8? of length 250m . The rope moves at a speed of 12.4km/h, Estimate the power required to operate the tow
The latent heat of fusion
Consider two dimensional simple triangular lattice for free electron metal with two electrons per atom. Assume the lattice constant is a, find the areas electron and hole pockets that are formed in the second and first Brillouin zones respectively. F..
What is tension in each string
A gas system has an initial volume of 5.44L with the number of moles unknown. When the volume changes to 3980mL, What was the initial number of moles
A 67? resistor, an 9.0?F capacitor, and a 36mHinductor are connected in series in an ac circuit. Calculate the impedance for a source frequency of 300 Hz
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