Answer:
B is the answers for the question
Answer:
A hypothesis is a basically a theory proposed to a subject or refrence to an act with limited evidences.
True. No matter can be created nor destroyed in pretty much every aspect of life, especially chemical reactions.
Answer : 5m/s
Explanation:the formular for velocity is distance /time or you can say displacement /time. Then it would then be
100/20 =5m/s
Answer:
Efficiency of a machine is how well the machine works and what the machine is capable of doing.
Mechanical advantage=Load/Effort.
720/180=4