in hydroelectric power plants the energy from moving water is converted into electric power what kind of energy transformation occurs when the energy is converted?

a. heat to electrical.

b. mechanical to electrical.

c. electrical to mechanical.

d. light to electrical.

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

What is the role of the ocular lens?

Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz