An oceanic depth-sounding vessel (sonar) surveys the ocean bottom with ultrasonic sound that travels at an average of 1522m/s. how deep is the water if the time delay of the echo from the ocean floor is 2.0s?

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly

Which of the following best describes the circuit shown below?