A baseball (radius = .0366 m, mass = .145 kg) is dropped from rest at the top of the Empire State Building (height = 1250 ft). Calculate (a) the initial potential energy of the baseball, (b) its final kinetic energy, and (c) the total energy dissipated by the falling baseball by com- puting the line integral of the force of air resistance along the baseball's total distance of fall. Compare this last result to the difference between the baseball's initial potential energy and its final kinetic energy. (Hint: In part (c) make approximations when evaluating the hyperbolic functions obtained in carrying out the line tntegral.) 2.9
A baseball (radius = .0366 m, mass = .145 kg) is dropped from rest at the top of the Empire State Building (height = 1250 ft). Calculate (a) the initial potential energy of the baseball, (b) its final kinetic energy, and (c) the total energy dissipated by the falling baseball by com- puting the line integral of the force of air resistance along the baseball's total distance of fall. Compare this last result to the difference between the baseball's initial potential energy and its final kinetic energy. (Hint: In part (c) make approximations when evaluating the hyperbolic functions obtained in carrying out the line tntegral.) 2.9
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:A baseball (radius = .0366 m, mass = .145 kg) is dropped from rest at the top of the Empire
State Building (height = 1250 ft). Calculate (a) the initial potential energy of the baseball,
(b) its final kinetic energy, and (c) the total energy dissipated by the falling baseball by com-
puting the line integral of the force of air resistance along the baseball's total distance of
fall. Compare this last result to the difference between the baseball's initial potential energy
and its final kinetic energy. (Hint: In part (c) make approximations when evaluating the
hyperbolic functions obtained in carrying out the line integral.)
2.9
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