A 250 kg cart is at the top of a hill that is 32 m high, what is its potential energy?

Which of the following describes something an engineer would probably do first when developing new technology meant to reduce ocean pollution? o a. evaluate the benefits and challenges of using certain chemicals to purify water. o b. research new scientific findings in regard to ocean cleanup. o c. identify the need to reduce ocean pollution. o d. research what has been done in the past to clean up oceanic oil residue.

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons