Avan de graaff generator has an aluminum sphere on top with a radius of 8.7 cm and carries a charge of -1.25 microcoulombs (μc). what is the potential, v, in volts, at the surface of the sphere? enter your answer in exponential notation.

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear

The unit of resistivity is the: ohm ohm-cm volt coulomb