The correct answer is - Positive acceleration describes an increase in speed; negative acceleration describes a decrease in speed.
After a chemical reaction, the atomic nuclei are unchanged. (C)
The nucleii don't know a thing about the outside world during
physical or chemical processes ... not until NUCLEAR things
happen.
Answer:
heat, energy that is transferred from one body to another as the result of a difference in temperature. If two bodies at different temperatures are brought together, energy is transferred—i.e., heat flows—from the hotter body to the colder. example: stove
Explanation:
hope this helps
Density =mass/Volume
0.8=mass/60
Mass=0.8*60
Mass=48g
