The mass needed at peg 1 is a 5g mass.
The 15g should hang at peg 5.
The reason is force x distance clockwise is equal to force x distance anti-clockwise
The law of conservation of energy implies that energy can neither be created nor destroyed, but can be changed from one form to another.
Granite is the answer i think
Answer:

Explanation:
If we express all of the cordinates in their rectangular form we get:
A = (1404.77 , 655.06) m


Since we need C to be (0,0) we stablish that:

That way we make an equation system from both X and Y coordinates:


Replacing values:
With this system we can solve for both Db and Dc and get the answers to the question:


Answer:
i think its the second one
Explanation:
simply because hes living by that theory wveryday that because his dads a good athlete then hell be one too