Force = 7kN
Pressure = 1mPa
Area = ?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

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.

The amount of potential energy possessed by an elevated object is equal to what?