The answer would be to research the need. This should have been done before the project began.
Mac and Keena are experimenting with pulses on a rope. Mac vibrates one end up and down while Keena holds the other end. This creates a pulse which they observe moving from end to end. How does the position of a point on the rope before the start of the pulse compare to its position after the pulse passes? Explain your reasoning.
Practically yes
So
If mass is more output may come less so it affects the efficiency practically
But thepritically it doesn't
Answer: Use less water
only turn on lights when needed
electrical cars
less gas usage
Explanation: