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A heat engine using a diatomic ideal gas goes through the following closed cycle: Isothermal compression until the volume is halved. Isobaric expansion until the volume is restored to its initial value. Isochoric cooling until the pressure is restored to its initial value. What is the thermal efficiency of this heat engine?
A charged particle moves through a velocity selector at a constant speed in a straight line, Calculate the charge-to-mass ratio of the particle.
A cluster of galaxies has a radius of about 5.2 million light-years (4.9×10^22) and an intracluster medium with a temperature of (6.5×10^7) K. Estimate the mass of the cluster. Give the answer in both kilograms and solar masses. Suppose combined l..
Find the radian measure of one of the angles of a regular pentagon. (The angles are all the same in a regular pentagon.) In degrees, the formula for the sum of the interior angles of an n-sided polygon is (n = 2) × 180°.
Two identical freight cars roll without friction (one at 1 m/s, the other at 2 m/s) toward one another on a level track. They collide, couple, and roll away together with a combined momentum of.
What was the most interesting part of your visit and is there anything about what you observed that would cause you to want to settle a case or to pursue it fully to trial? What and why?
Some human nerve cells have a long, thin cylindrical cable (the axon) from their inputs to their outputs. Determine the resistance of the fluid in this axon
A Dodge Caravan begins rolling from rest. Its tires undergo a constant of angular acceleration of 0.34 rad/s^2, What is angular speed of each tire after 3 revolutions
Calculate the magnetic fields due to the displacement current midway between the plates at a radius equal to half the plate radius
A long, current-carrying solenoid with an air core has 1640 turns per meter of length and a radius of 0.0173 m. What is the mutual inductance of this system
If a 62.6 kg runner dissipates a power of 60.9 W during a race, explain how fast is the person running? Assume a running step is 1.50m in length
If a curve with a radius of 87 is perfectly banked for a car traveling 67 , illustrate what must be the coefficient of static friction for a car not to skid when traveling at 84 ?
A long rod, insulated to prevent heat loss along its sides, is in perfect thermal contact with boiling water (at atmospheric pressure) at one end and with an ice-water mixture at the other.
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