The output voltage of a power supply is v = vo sin (120t). at t = 0.01 s, the output voltage is 4.2 v. what is the rms voltage of the generator? (remember to set your calculator on radian mode)

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)

What would be the radius of the earth if it had its actual mass but had the density of nuclei? express your answer to two significant figures and include the appropriate units.

Are formed where bumps from two surfaces come into contact ?