The gravitational force exerted by the planet Earth on a unit mass at a distance r from the center of the planet is F ( r ) = { G M r R 3 if r < R G M r 2 if r ≥ R where M is the mass of Earth, R is its radius, and G is the gravitational constant. Is F a continuous function of r ?
The gravitational force exerted by the planet Earth on a unit mass at a distance r from the center of the planet is F ( r ) = { G M r R 3 if r < R G M r 2 if r ≥ R where M is the mass of Earth, R is its radius, and G is the gravitational constant. Is F a continuous function of r ?
Solution Summary: The author explains that the function F(r) is continuous at r.
Determine whether the lines
L₁ (t) = (-2,3, −1)t + (0,2,-3) and
L2 p(s) = (2, −3, 1)s + (-10, 17, -8)
intersect. If they do, find the point of intersection.
Convert the line given by the parametric equations y(t)
Enter the symmetric equations in alphabetic order.
(x(t)
= -4+6t
= 3-t
(z(t)
=
5-7t
to symmetric equations.
Find the point at which the line (t) = (4, -5,-4)+t(-2, -1,5) intersects the xy plane.
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Differential Equation | MIT 18.01SC Single Variable Calculus, Fall 2010; Author: MIT OpenCourseWare;https://www.youtube.com/watch?v=HaOHUfymsuk;License: Standard YouTube License, CC-BY