QUICK: A circular loop of radius r is rotated through a magnetic field B, which of the following would increase the magnetic flux through the loop by a factor of 16? SELECT ALL THAT APPLY
A. Doubling B and quadrupling r.
B. Quadrupling B and doubling r.
C. B remains constant and quadrupling r.
D. Doubling B and doubling r.

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods