Consider the voltage/time graph shown below. what power supply is likely to be involved? select one: a. a torch cell b. a car battery c. a domestic power socket d. an electrochemical cell i'm not entirely sure but i believe it's b. (no guesses )

Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

How is zig zagging a form of acceleration?