Which best describes the beginning of the big bang theory? a. all matter in the universe was compressed into a single point. b. the universe will eventually collapse into a black hole. c. stars form from giant masses of gas and dust.

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration