Answer:
abcdefghijklmnopqrstuvwxyz
Energy =sxm
S =4000/500
=Answer
Answer:

Explanation:
<u>Average Speed
</u>
If an object travels a distance d in a time t regardless of the direction, the average speed is the quotient of the distance over the time:

It's known a person runs d=15 kilometers in t=2 hours, thus his/her average speed is:

Calculating:

Answer:
Different
Explanation:
The hollow one will expand even more making it have a larger volume then the solid one so they are different