(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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