Thus, area is the product of two lengths and so has dimension L2, or length squared.
Explanation:
Let
and 
The sum of the two vectors is


The difference between the two vectors can be written as


Answer:
220W
Explanation:
power(w) = work done (J) ÷ time(s)
x= 5500J ÷ 25s = 220W
Answer:
Plants give out oxygen but takes in carbon dioxide.