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In a certain particle accelerator, protons travel around a circular path of diameter D in an evacuated chamber, whose residual gas is at temperature T and pressure p. Assuming T is given in Kelvin and p in pascals, calculate the number n of gas molecules per cubic meter under these conditions. What is the mean free path of the gas molecules if the molecular diameter is d. State your answers in terms of the given variables, using the Boltzmann constant k and ? if necessary.
A particle is trapped in an infinite one-dimensional well of width L = 129 nm. If the particle is in its ground state, evaluate the probability to find the particle. (a) between x = 0 and x = 0.042L (b) between x = 0.042L and x = 0.958L (c) betwee..
A person weighing 119 pounds can run up 500 steps, How much power did the person expend running up the steps
A box of mass 15 kg is dragged by a 50 N horizontal force a distance of 10 m over a rough surface with the coefficient of friction = 0.14 the work done by friction force.
An ?-particle has a charge of +2e and a mass of 6.64 ? 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.06 X 106 V, What is the speed of the ?-particle
A beam of hydrogen molecules (H2) is directed toward a wall, at an angle of 50° with the normal to the wall. What is the beam's pressure on the wall
If it takes 9.19e5 J of heat to bring 0.30 kg of ice at -17*C to water vapor at 108*C, what is the specific heat of the water vapor
You are designing a process to store pressurized argon gas (a monatomic gas). If you pressurize the gas at a constant temperature, how much work must be done on the gas
A 24-V battery is connected in series with a resistor and an inductor, Find the energy stored in the inductor one time constant after the switch is closed
how much kinetic energy does each electron have. Blocks of mass m_1 and m_2 are connected by a massless string that passes over the pulley.
A Hall probe serves to measure magnetic field strength. Such a probe consists of a poor conductor 0.171 mm thick, evaluate the magnetic field strength
A solenoid 88.0 cm long has a radius of 2.60 cm and a winding of 2000 turns; it carries a current of 3.60 A. Calculate the magnetic field outside the solenoid
A wrecking yard inventor wants to pick up cars by charging a 0.400 m diameter ball and inducing an equal and opposite charge on the car. What is the electric field near the surface of the ball
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