Suppose that a single guitar player makes noise at 70 db. (a) if two guitar players play at the same time, what is the noise level in db? what is the sound intensity in w/m2 ?

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?