A horse trainer records the distance a horse travels during three different trials. What is the horse's average speed in kilometers per minute?

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

Cells in the nervous system have a potential difference of 70 mv across the cell membrane separating the interior of the cell from the extracellular fluid. this potential difference is maintained by ion pumps that move charged ions across the membrane. is this an emf? select the correct answer and explanation. 1)no. the ion pumps cannot separate charges; thus, they cannot create a potential difference. 2)yes. the ion pumps cannot separate charges, but they still can create a potential difference. 3)yes. the ion pumps can actively separate charge; thus, they can create a potential difference. 4)no. the ion pumps can separate charges, but they cannot create a potential difference.

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above