A ball is dropped from a building. How fast is it traveling after falling for 1. 77 s? (hint: it's a free falling object).

What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential

Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above