Consider the function r(t) = (2 cos t)i + (8 sin t)j. Find all the points on the function at
which r and r' are orthogonal.
Suppose that the temperature T at point (x, y, z) is given by
T(x, y, z) = sin(xyz)
and that an insect currently at the point (5, 0, 8) moves slightly in the direction parallel to the
positive y-axis.
As a result, the bug will feel the temperature...
decrease
stay the same
increase
Evaluate
F. dr where C is the line segment from (9, ,
1) to (55, 1, –) and
F = (sin(yz) + 1)i + (xz cos(yz) + 2y)j + (xy cos(yz) + 22)k.
Chapter 15 Solutions
Calculus Early Transcendentals, Binder Ready Version
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