1. Based on what you have learned, explain why Zach's hair is dark like his mother's and not blonde like his father's.

Ithink that its like 15 mph.

Breacking the law and lazy

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on