How can the frequency of a wave be found? multiply its speed by its wavelength

divide its speed by its wavelength

multiply its amplitude by its wavelength

divide its wavelength by its speed

Ireally need this answer sombody fast fast

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.