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JAMB - Physics (2011 - No. 40)
The diagram above shows two vectors at right angles to each other. The value of the resultant vector is
14.0 N
10.0 N
12.0 N
13.0 N
解释
The resultant, R is given by pythagoras rule, R
2
= P
2
+ Q
2
= 6
2
+ 8
2
= 36 + 64 = 100
R = √100 = 10.0N
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