Answer:
It is because they are physical quantities
Explanation:
I think so..
Answer:
he longer ramp has more mechanical advantage for it requires less force to push up a mass while being over a longer period of time. Its called Mechanical Advantage because say you had to lift a car up 1-meter. you cannot simply pick it up, but over a long enough slope you would be able to because you can apply a small force over a longer distance
Explanation:
What is not the ultimate goal of science is to produce unchanging and absolute answers - D. Scientists would like to, however, understand patterns, give explanations for natural events, and even make predictions. And it isn't really the case that they would like to produce unchanging answers.
True. If a medium such as H2O is in ice form, sound can not pass through it as well as if it were water or water vapor
Answer:
When going from slower medium to a faster medium, light is bent _downwards_.
Explanation:
hope this helps you!
