Answer:
The average speed would be 10 seconds.
Explanation:
Hope this helps:)
The exact volume of this cylinder is equal to 225π cubic centimeters.
<h3>How to calculate the volume of a cylinder.</h3>
Mathematically, the volume of a cylinder is given by this formula:

<u>Where:</u>
<u>Given the following data:</u>
Height of cylinder = 9 cm.
Diameter of cylinder = 10 cm.
Radius = 
Substituting the given parameters into the formula, we have;

Volume = 
Read more on volume of a cylinder here: brainly.com/question/21367171
Answer: To geologists, a rock is a natural substance composed of solid crystals of different minerals that have been fused together into a solid lump. The minerals may or may not have been formed at the same time. What matters is that natural processes glued them all together.