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the hot reservoir for a carnot engine has a temperature of 943 k while the cold reservoir has a temperature of 495 k
a monatomic ideal gas expands at constant pressure a what percentage of the heat being supplied to the gas is used to
a wheeled cart with a mass of 050 kg is rolling along a horizontal track at a constant velocity of 20 ms when it
what is the temperature of a sample of gas when the average translational kinetic energy of a molecule in the sample is
you have a 0441-kg sample of gas containing 185 moles you measure the gass temperature and find 521degc calculate the
the total translational kinetic energy of the molecules of a sample of gas at 435 k is 199 times 104 j how many moles
0110kg stone rests on a frictionless horizontal surface a bullet of mass 800g traveling horizontally at 340ms strikes
an open flask sitting in a lab fridge looks empty but we know that actually it is filled with a mixture of gases called
a cylinder of cross-sectional area 11 cm2 is fitted with a piston which is connected to a spring with a spring constant
consider the light beam shown in the figure where d 173 cm and 135dega how many times does the light beam reflect
the storage of radioactive waste is a massive problem in the nuclear industry one problem that scientists must take
two mirrors form a vertex with an angle of 128deg if a ray of light strikes mirror 1 with an angle of incidence of
if it takes light 8 ns to travel 1655 m in an optical cable what is the index of refraction of the
during an adiabatic process the temperature of 600 moles of a monatomic ideal gas drops from 565degc to 227degc find
assume a billiard ball is a solid sphere its radius is 3 cm and mass is 500 grams the coefficient of static friction
you are coating a glass lens of index of refraction 16 with a film of material of index of refraction 17 you start with
a hollow sphere of mass 6 kg and radius 12 meters is rolling without slipping on a horizontal surface with a velocity
in a simple model of the hydrogen atom the electron moves in a circular orbit of radius 0053 nm around a stationary
a baseball pitcher can throw a fastball at a speed of 150 kmhr what is the largest size spherical asteriod of density
at a certain distance from the center of the earth a 40- object has a weight of 30 if the object is now moved twice as
a a man applies a force of f 300 102 n at an angle of 600deg to a door x 190 m from the hinges find the torque on
relative to waiting line models a what is meant by the terms single-channel system and multiple-channel system if a
a person exerts a force of 68n on the end of a door 75cm widea what is the magnitude of the torque if the force is
a 150-kg iron horseshoe initially at 670degc is dropped into a bucket containing 220 kg of water at 260degc what is the