Methane (CHA) undergoes combustion. Which products form? A. CO2 and H20
B. CO2, H20, and O2
C. C and H20
D. CO2 and H2

Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?

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.

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?