Part 4 of the lab for physics

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.

From the perspective of an employee that effective channeling of work related information and concerns

The energy equivalent of the rest mass of an electron is