Energy is transmitted at rate P1 by a wave of frequency f1 on a string under tension T1. (a) What is the ratio of the new energy transmission rate P2 to P1 if the tension is increased to 4.9t1 and (b) if, instead, the frequency is decreased to f2 = 0.78f1? (a) Number Units (b) Number i Units V No units rev/min e Textbook and Media rad/s^2 kg m^2/s N m Save for Later Attempts: 0 of 3 used Submit Ans min kg m^2