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The bremsstrahlung x-ray spectrum of both Moand W cut off (have zero intensity) at about 0.035 nm. X rays with this wavelength are produced by the target element when bombarding electrons are promptly stopped in a single collision and give up all their energy in the form of EM waves. Confirm that electrons having energies of 35,000 eV will produce x ray photons with wavelengths near 0.035nm by this process.
Explain how far x can a man who weighs 447 n from the right support which is 1.1 m from the right side of the board before the board tips?
A 2.5 kg object is attached to a horizontal spring of force constant k = 4.1 kN/m. The spring is stretched 10 cm from equilibrium and released. Find the maximum acceleration
You are standing 2.6m from a 120w bulb. If the pupil of your eye is a circle 5.0 in diameter, how much energy enters your eye per second
two masses are separated by 3.85m. the mass of objects are 5.98kg and 7.35 kg. how far is the center of mass of the system
Slides along an x axis on a frictionless floor
When cars are equipped with flexible bumpers, they will bounce off each other during low-speed collisions, thus causing less damage. Calculate the change in the combined kinetic energy of the two-car system during this collision
The vibration of an o2 molecule has a wavenumber of 1580.4 cm^-1 Calculate the energy (in joules) of the first excited state?
In a severe storm, 1.05 cm of rain falls on a flat horizontal roof in 31.0 min. obtain the average force exerted on the roof by the rain
1.calculate the orbital radius of the hydrogen atom for the second principal quantum number.2.calculate the orbital
a golfer tees off on the fourth hole on a level golf course, giving the ball an initial speed of 42.0 m/s and an initial direction of 35 degrees above the horizontal. How far from the golfer does the ball land
Two pellets, each with charge 5 microcoulomb (1 microcoulomb = 0.000001 coulombs), are located 0.5 m apart. What is electrical force between the charges.
A small, 10.0 g insect stand at one end of a thin uniform metal rod which is initially at rest on a frictionless horizontal table. What is the resulting angular speed of the rod
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