The sound intensity of normal conversation is about 70 dB. What is the intensity of a sound that is twice as loud?

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration