A point at which parts of an artificial structure are joined. Hope this helps
Answer:
1kg
Explanation:
this box is the smallest and weighs the least. Hope this helps :]
There are two ways to find energy. Energy=F*d=mv^2. We can use this relationship to find v:
A machine can never be 100% efficient because some work is always lost
due to the lack of materials or equipment that would convert work by 100%. It follows
the second law of entropy. The ideal engine is known as Carnot’s engine having
a 100% efficiency. So far, no engine has ever gotten to 100%.
