As you heat a piece of wood on a fire, the temperature of the wood increases. what does this tell you? a. the molecules in the wood are vibrating faster
b. the total thermal energy of the wood is decreasing
c. the chemical energy of the wood is increasing
d. the molecules in the wood are vibrating more slowly

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Amichelson interferometer operating at a 600 nm wavelength has a 3.02-cm-long glass cell in one arm. to begin, the air is pumped out of the cell and mirror m2 is adjusted to produce a bright spot at the center of the interference pattern. then a valve is opened and air is slowly admitted into the cell. the index of refraction of air at 1.00 atm pressure is 1.00028.how many bright-dark-bright fringe shifts are observed as the cell fills with air?

Calculate the velocity of a car traveling in a straight path due east with a distance of 16 meters in 2 seconds. question 1 options: a)32 m/s b)32 m/s e c) 8 m/s e d) 8 m/s