Describe an experiment you can carry out to determine the speed of sound in air . Explain how the equipment would be used and how the final result would be calculated

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

What should the power status of a circuit be when measuring resistance with an ohmmeter?

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.