A 0.00287 C charge is 6.52 m from a -0.00555 C charge. What is their
electric potential energy? Include
the correct sign (+ or -).
(Unit = J)

Which term best describes the phrase “something that happens”?

What is the difference between mass density and weight density?

Abus travels 280km south along a straight path with an average velocity of 88km/h to the south. the bus stops for 24 min, then it travels 210 km south with an average velocity of 75 km/h to the south. how long does the total trip last?