Which law states that absolute zero cannot be reached?
a) second law of thermodynamics
b) first law of thermodynamics
c) third law of thermodynamics

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.