Describe the energy conversion in each of these scenarios: a plant using photosynthesis to make food, using a battery-powered flashlight to see at night, and listening to music through a stereo.

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current