Fourier analysis of a particular spectrum includes the harmonic frequencies 1113 hz , 1431 hz , and 1590 hz . part a what is the fundamental frequency f1, assuming that f1 > 100 hz?

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.

"if the pressure acting on an ideal gas at constant temperature is tripled, its volume isa) reduced to one-third. b) increased by a factor of three. c) increased by a factor of two. d) reduced to one-half"