Arapidly falling object at a high altitude has
a. high potential energy and zero kinetic energy.
b. zero potential or kinetic energy
c. zero potential energy and high kinetic energy.
d. both high potential and kinetic energy.

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Air can be considered a mixture. which statement does not explain why?