A 30.0 uC charge is moved 5.00 m West in an electric field of 4000 V/m pointing 40.0° North of East. What potential difference did the charge move through?

An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?