(a) In the Bohr model of the atom, the ground-state electron in hydrogen has an orbital speed...
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(a) In the Bohr model of the atom, the ground-state electron in hydrogen has an orbital speed of 2190 km/s. What is its kinetic energy?
(b) If you drop a 1.0-kg weight (about 2 lb) from a height of 1.0 m, how many joules of kinetic energy will it have when it reaches the ground?
(c) Is it reasonable that a 30-kg child could run fast enough to have 100 J of kinetic energy?
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University Physics with Modern Physics
ISBN: 978-0321696861
13th edition
Authors: Hugh D. Young, Roger A. Freedman, A. Lewis Ford
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