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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atomic = no of protons.

mass number-atomic number = neutron number

graph slopes whilst gas cools, then it is flat whilst conensation to liquid happens, the coolong liquid then graphs as a slope when it solidifies graph is flat

latent heat