Use stokes' theorem to evaluate c f · dr where c is oriented counterclockwise as viewed from above. f(x, y, z) = xyi + 4zj + 7yk, c is the curve of intersection of the plane x + z = 3 and the cylinder x2 + y2 = 36.

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?