Example:- Person B is 10 m to the right of person A. Person B covers á displacement
De = (51 +21) mand person A covers a displacement D = (31–3j)m.
(i) Sketch neatly the situation on a graph paper and determine the vector
that points from A to B.
(ii) Write out the vector eguation for the situation.
Solution:
Define your coordinate
system
• Draw the vectors using
the components
Dud
Das - 712

yt

Explanation:

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r=rho l/a where a is the area, l is the length and rho is resistivity so the greater the area the lesser the resistance thats why the earth pin is thicker bcos current follow the shortest path, so less resistive .

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by