Correct ones are
- Technical improvements that have made alternative energy sources more practical to use
- Increase in concern for environment.
why?
Fossil fuels are hydrocarbons
- Hydrocarbons on burning with oxygen releases harmful carbon dioxide .
The change in momentum of an object equals the impulse applied to it
Hello,
Your answer to this problem is 400/3
Hope this helps!
Answer:
F=ma
Explanation:
Force = mass * acceleration
