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(a) A hydrogen atom has its electron in the n=3 level. The radius of the electron's orbit in the Bohr model is 0.476 nm. Find the de Broglie wavelength of the electron under these circumstances.
___________m
(b) What is the momentum, mv, of the electron in its orbit?
________kg-m/s
What is the magnitude of the passenger's acceleration.
an greenhoopwith mass mh 2.7 kg and radius rh 0.14 m hangs from a string that goes over a blue soliddiskpulley with
A parallel plate capacitor stores a charge Q = 400 nC when connected to a battery of voltage V = 10 Volt. Evaluate what is the surface area of the plates
A 40.00-W eletric motor is able to accelerate a 8755 g car from rest to 30.00 mph in 31.10 seconds. Calculate the efficiency of the motor
Consider viewing the Wu experiment in a mirror located below the nucleus (the mirror being horizontal) instead of in a mirror located to one side of the nucleus (the mirror being vertical). Explain how the arguments in the text would be modified, ..
Mars rotates about its axis once every 88 642 s. What is the rotational period of Mars according to the beings on the spaceship
A 1100 kg car carrying four 84 kg people travels over a rough "washboard" dirt road with corrugations 4.0 m apart which causes the car to bounce on its spring suspension. By how much does the car body rise on its suspension owing to this decrease i..
perform the following experiment the purpose of this experiment is to use a compass to detect the weak magnetic field
Why are all the number in the last column approximately the same? Which of the six trials yields the most accurate estimate for g? Why?
Find the cost to operate one such string 24.0 h per day for the Christmas season (two weeks), using the rate $0.13/kWh
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 550 kg. Find the kinetic energy stored in the flywheel
A 3kg model rocket initially at rest experiences an average force of 3950N over a distance of 200 cm. How much has the rockets kinetic energy increased
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