Calculate potential energy of a 5 kg object sitting on 3 meter ledge

A 79 kg zebra is traveling 11 m/s east. What is the zebra's momentum?

Name at least two ways acids and bases are useful around your home

Who was the first scientist to propose that an object could emit only certain amounts of energy?

Why are metals are good conductors of heat?

Estimate the average speed, in m/s, with which tge hair on your head grows. Make this estimate from your own experience nothing, for instance, how often you cut your hair and how much you trim. Express your result in scientific notation.

In what state do hydrogen and helium exist in a star

13) The frequency of a vibrating string varies inversely as its length. A string 3 feet long vibrates 175 cycles per second. Find the frequency of a 5 foot string.

Match the following. 1. energy a push or a pull 2. mechanical energy energy of a moving object 3. kinetic energy a force directed away from an object 4. heat the ability to do work 5. work a force moving an object through a distance 6.

Scientists hypothesize that oxygen began to accumulate in earth's atmosphere of living things with the ability to?

The 3 stages of the water cycle are