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What differences exist between Bohr model and the modern theory of an atom and what major flaw is built-in to the Bohr model of the atom?
A hydrogen atom has a radius of about 0.05 nm. estimate the electron's kinetic energy in three dimensions.
The fuel gage for a gasoline tank in the car reads proportional to the bottom gage pressure .if the tank is 30cm deep and accidentally contains 2 com of water plus gasoline how many centimetres of air remain at the top when gage erroneously reads ..
Tarzan swings on a 34.0-m-long vine initially inclined at an angle of 31.0° with the vertical, What is his speed at the bottom of the swing if he starts from rest
What is the number of turns on the coil and what is the magnetic field at the mean radius?
The bar is held by a cord that makes a 90? angle with respect to bar and 50 ? with respect to wall. Illustrate what is the magnitude of the horizontal force Hx on the pivot? The acceleration of gravity is 9.8 m/s2.
An outboard motor propels a boat through the water at 13 mi/h. How much power is produced by the motor
A box at rest has the shape of a cube 3.5m on a side. This box is loaded onto the flat floor of a spaceship, What is the volume of the box as we observe it
An aquarium contains a 5 - cm layer of water ( n = 1.333) floating on top of carbon tetrachloride ( n = 1.461) what is the angle of refraction into the air
Two small plastic spheres each have a mass of 1.9g and a charge of -60.0nC, By what factor is the electric force on a sphere larger than its weight
A hot-air balloon is ascending at the rate of 12 m/s and is 84 m above the ground when a package is dropped over the side. Explain how long does the package take to reach the ground?
a mass of 10kg is undergoing uniform circular motion in horizontal plane, the radius of the circular path is 3.2m, determine the magnitude of the tangential velocity of the mass
A concave shaving mirror has a radius of curvature of 40.1 cm. How far is the mirror from the man's face
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