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The magnetic field of the Earth can be modeled as being caused by a giant bar magnet lying along the Earth's axis. If this were true, what letter (N or S) would be printed on the end of the North Pole?
In a classical model of the hydrogen atom, the electron orbits a stationary proton in a circular orbit
The NO molecule has a doubly degenerate electronic ground state and a doubly degenerate excited state at 121.1 cm^-1. Calcuclate the electronic contribution to the molar heat capacity of the molecule up to 500K.
what formula do i use to find electric potential? units? what formula do i use to find potential energy? units? if you
The pressure in a water pipe in the basement of an apartment house is 4.10x10^5 Pa, determine the height between the basement and the seventh floor
A forearm accelerates a 3.6-kg ball at 7.0m/s^2 by means of the triceps muscle.If the lever arm is 31cm, find the force that must be exerted by the triceps muscle
A block is sliding to the right up a inclined plane (10 degrees) at an initial speed of 0.5 m/s. The coeffecient of friction is 0.3. how large must the minimum coefficient of static friction be
Write down the mathematical relationship between velocity (v) and time (t) for a coin tossed up into the air after it leaves the thrower's hand at t=0 with a velocity of +15.0 m/s. Assume that the positive direction is upward and the acceleration of ..
a particle of charge of 4.50 x 10-6 c is 12.0 cm distant from a second particle of charge of -2.00 x 10-6 c. calculate
A basketball player has free throws from the foul line. The center of the basket is a horizontal distance of 4.21 m from the foul line and is a height of 3.05 m above the floor. At the maximum height, how far is the ball horizontally from the baske..
The electron gun in an old TV picture tube accelerates electrons between two parallel plates 1.2cm apart with a 28kV potential difference between them. What is the electric field strength between the plates
A 4·cm tall candle is placed 300·cm from a lens with a focal length of +60·cm. Note: enter the absolute value of your answers for all distances and heights, How far from the lens will the image be
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.21 kg, what is the velocity of the ball after the collision
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