Will give brainliest!
the atoms in an oxygen molecule complete one vibration in a time interval of 2.11×10−14s. determine the frequency of vibration of o2.

express your answer to three significant figures and include the appropriate units.

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.