The element chlorine has two naturally occurring isotopes. about 75% of chlorine isotopes are cl-35 and about 25% are cl-37. what is the average atomic mass of chlorine atoms? a. 35.45 amu b. 36.45 amu c. 37.45 amu d. 38.45 amu

Suppose an objects initial velocity is 10m/s and it’s final velocity is 4 m/s. mass is constant. what can best be concluded about the object based in the work-energy theorem

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

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.