If the water in a lake is everywhere at rest, what is the pressure as a function of distance from the surface? the air above the surface of the water is at standard sea-level atmospheric conditions. how far down must one go before the pressure is 1 atm greater than the pressure at the surface?

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost