Awave x meters long has a speed of y meters per second. the frequency of the wave is
a. x/y hertz
c. y x hertz
b. y/x hertz
d. y x hertz

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.

Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.