Answer:As a pendulum swings, its potential energy converts to kinetic and back to potential. ... A swinging pendulum.
Explanation:During the course of a swing from left to right, potential energy is converted into kinetic energy and back.
Answer: c.mesosphere
Explanation: Temperatures can reach lows of -90 degrees Celsius in the mesosphere, making it the coldest layer of the earth's atmosphere. The mesosphere extends above the stratosphere and ranges from 50 km to 87 km above the surface.
First you must calculate the speed of Amy and speed of Bill.
Now calculate the difference between Bill's speed and Amy's speed.
Amy's average speed is not faster. Bill's average speed is faster than Amy's by 6 m/sec.
Hope this helps.
r3t40
The most basic and broken down particles you can find that make up all matter are atoms. While many mistake them as molecules, atoms are the most fundamental building blocks of matter. Even molecules are made up of atoms. Hope this helped!