Avan de graaff generator has an aluminum sphere on top with a radius of 9.94 cm and carries a charge of -1.04 microcoulombs (μc). what is the potential, v, in volts, at a point a distance 23.33 cm above the surface of the sphere? enter your answer in exponential notation.

Which describes increasing the efficiency of energy resource

Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation

Amoving freight car collides with an identical one that is at rest. if momentum is conserved, what happens to the second car after the collision? it attains the same speed as the first car. it moves at half the speed of the first car. it moves at twice the speed of the first car.