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In the Bohr model of the hydrogen atom, an electron moves in a circular path around a proton. The speed of the electron is approximately 2.60 106 m/s.
(a) Find the force acting on the electron as it revolves in a circular orbit of radius 5.35 10-11 m.
magnitude N
direction
(b) Find the centripetal acceleration of the electron.
magnitude m/s2
Mars has a mass of 6.42 1023 kg and a radius of 3.40 106 m. Assume it is a uniform solid sphere. The distance of Mars from the Sun is 2.28 1011 m. What is the rotational kinetic energy of Mars on its axis
q1. dennis driving his 600 kg car makes a 90 degree turn. his speed before the turn is 15.0 ms and after the turn are
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How to compute the average force
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Two parallel plates having charges of equal magnitude but opposite sign are separated by 24.0 cm. Determine the force on the proton
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.370mm wide. What is the width of the central bright fringe
Suppose that a simple pendulum consists of a small 58.0 g bob at the end of a cord of negligible mass. What is the pendulum's length
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