Answer:
-0. 75m/s^2
Explanation:
use formula of acceleration
Some substances look alike and the density can help you determine which is which. It also helps to tell which is heavier than the other.
Gravity is a force because it pulls down on objects.
Answer:
liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern.
According to the law of conservation of energy,
A. an object loses most of its energy as friction
<u>B. the total amount of energy for a system stays the same</u>
Energy is never lost due to the law of conservation
C. the potential energy of an object is always greater than its kinetic energy
D. the kinetic energy of an object is always greater than its potential energy
