Awind turbine is used for what kind of energy transformation? a. mechanical energy to electrical energy b. chemical energy to electrical energy c. sound energy to heat energy d. potential energy to kinetic energy

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.