A classical problem in the calculus of variations is to find the shape of a curve C such that a bead, under the influence of gravity, will slide from point A(0, 0) to point B(x,. Y,) in the least time, as in the figure below. It can be shown that a nonlinear differential equation for the shape y(x) of the path is y[1 + (y')?] = k, where k is a constant. A(0, 0) bead mg B(x1, y1) Find an expression for dx in terms of y and dy. dx = Use the substitution y = k sin?(e) to obtain a parametric form of the solution. The curve Cturns out to be a cycloid. x(0) =
A classical problem in the calculus of variations is to find the shape of a curve C such that a bead, under the influence of gravity, will slide from point A(0, 0) to point B(x,. Y,) in the least time, as in the figure below. It can be shown that a nonlinear differential equation for the shape y(x) of the path is y[1 + (y')?] = k, where k is a constant. A(0, 0) bead mg B(x1, y1) Find an expression for dx in terms of y and dy. dx = Use the substitution y = k sin?(e) to obtain a parametric form of the solution. The curve Cturns out to be a cycloid. x(0) =
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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