Mechanical advantage- the ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine<span>.</span>
Answer:
A. The mechanical energy of the system at the beginning of the experiment is equal to the mechanical energy of the system at the end of the experiment.
Explanation:
I took the quiz and I put this answer and I got a 100%.
photons and convection - density differences makes bubbles of hot stuff float up. pretty sure
The sailboat is about 0.83m/sec (rounded to the nearest tenth).
To find speed, you would calculate distance over time.
100 meters/120 seconds = 0.83 meters per second