Physics > 2005 > 10
JAMB UTME
An elastic material has length of 36cm when a load of 40N is hung on it and a length of 45cm when a load of 60N is hung on it.
The original length of the string is
The original length of the string is
A.
20cm
B.
18cm
C.
15cm
D.
12cm
Answer: B
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