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.

*drag each tile to the correct location in the sequence* the table shows chronological events in the life of our sun, a medium-sized star. place the missing events into the correct rows of the table.

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?