The student let the water bath boil away, so the water level was much lower during the last determination. a large part of the flash was out of the water, and the upper part of the flask was noticeably cooler than the lower part. what effect would this error have on the calculated density and molecular weight? would these values be too high or too low? stay the same?

the answer to your question is c

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

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(jacemorris04)