Answer:In fact, mechanical energy is often defined as the ability to do work. Any object that possesses mechanical energy - whether it is in the form of potential energy or kinetic energy - is able to do work
Explanation:
When you gaze at the night sky, it's obvious that the various stars are different; some shine more brightly than others, and some have noticeable colors. Scientists classify stars according to these two characteristics, but they do it with sensitive instruments that provide much more detail than stargazers—even ones with powerful telescopes—could ever manage to discern. In other words, scientists classify stars according to their luminosity and temperature, as determined by spectral analysi
Read more : http://www.ehow.com/how-does_4568581_scientists-classify-stars.html
Answer:
The board is being written on by the teacher.
<u>Hope</u><u> </u><u>it</u><u> </u><u>helps</u><u> </u><u>you</u><u />
A. How many people will be coming to the party next week?
B. Which team won first prize last weekend?
C. What happened this morning when you were late for work?
D. Who told you the answer to the exam question?
E. Who lives next door to you ?
F. What is the right answer to this question?
G. Whose car is the red one over there?
H. How many students came to your English class?
