A 28kg dog is running up a hill at 14m/s. If the hill is 20m high and the dog continues to run at this speed, how much is the dogs total mechanical energy at the top of the hill? Take that the dog's potential energy is zero at the bottom of the hill.

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity

Cho is making a bar graph showing the amount of money spent on health care between 1999 and 2005. the dependent variable is the: a: money spent b: year c: number of patients