A small car has a mass of 890 kg. What is its weight? (Hint: remember the definition of weight).

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity