What is the speed of a wave frequency of 300hz and a wavelength of 25M I NEED AN EXPLANATION AS WELL
PLEAAASE HELP ASAP

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.