Give two examples of spatial interference which can be easily observed.

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?