Aswimmer takes 45 seconds to complete a 100-meter lap. calculate the swimmer’s average speed.

The functioning of an electron transport chain is analogous to a) a slinky toy going down a flight of stairs. b) a canoe going over a waterfall. c) a person climbing a flight of stairs one step at a time. d) a person leaping from the top to the bottom of a flight of stairs in one jump.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

How is the gravitational force related to the distance between two objects?