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Explain The Bohr Model is a physical model that depicts the atom as a small positively charged nucleus with electrons in orbit at different levels, similar in structure to the solar system. Because of its simplicity, the Bohr model is still commonly used and taught today.
Use Pascal's principle. Given that Fout is 68 lb., the areas of the output and input cylinders are Aout 21 in2 and Ain 6 in2, what is the input force
A meter stick of weight W leans away from a wall. The 0cm line is against the wall at the floor and it makes an angle theta with the wall. It is kept from falling by a horizontal string connected to the 80cm line. What is the tension (T) in the strin..
Light of wavelength 685 nm is incident normally on a film of water 10-4 cm thick. The index of refraction of water is 1.33. Wavelength = 515nm. What is the phase difference between the wave reflected from the top of the air-water interface and the ..
When the minimum angle of deviation of a light ray passing through an isosceles triangular prism is 36 degrees and its vertex angle is 40 degrees, The angle of refraction of the light ray in the prism, in degrees
A car takes 10s to go from v=0 m/s to v=25 m/s at constant acceleration. if you wish to find the distance traveled using the equation d=1/2 at squared, what value should you use for a squared?
Suppose the moon were held in its orbit not by gravity but by the tension in a massless cable. What is the speed of the moon in its orbit about the earth
a car moving at 80 km/hr is brought to a stop in 5 seconds. How far did the car travel while stopping
there are two particles in the xy-plane particle one is located at 00 and particle 2 at 64. use your knowledge of
Four ropes are tied to a stake, and each is pulled toward a compass direction, N, S, E, or W. What is magnitude of the net force exerted on the stake by the ropes?
A rifle is aimed horizontally at a target 60 away. The bullet hits the target 2.5 below the aim point. What was the bullet's flight time
A large solid steel (Y = 1.8x10^11 Pa) block (L 5 m, W =4 m, H=3 m) is submerged in the Mariana Trench where the pressure is 7.5x10^7 Pa. By what percentage does the length change?
in a worst-case design scenario a 2000kg elevator with broken cables is falling at 4.00ms when it first contacts a
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