What is the wavelength of an earthquake wave if it has a speed of 3 km/s and a frequency of 6 hz?

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.