3.04 quiz what is energy quiz pool 2

match each type of energy with its description.

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

The air that we breath is made mostly of which gaseous molecule

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?