Two waves are travelling through the same container of nitrogen gas. wave a has a wavelength of 1.5m. wave b has a wavelength of 4.5m. the speed of wave b must be the speed of wave a.

one-ninth

one-third

the same as

three times larger than

Most short-period comets do not have randomly oriented orbits because

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.

Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.