Design a transformerless audio power amplifier with at least 38% efficiency. a 130v dc supply is available at the client's site. the amplifier should be capable of supplying at least 5 w to a 1692 load at 1 khz. the input impedance should be greater than 1002 and the voltage gain should be greater than 0.8 v/v 1 .

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.