Answers

2016-03-25T12:44:35+05:30
Given,
 \frac{mg}{A} = 7.5×10⁷
 \frac{m}{A} = 7.5×10⁶
∵g = 10 m/sec²
 \frac{m}{V} = 2.7×10³
 \frac{m}{A×<span>L} = 2.7×10³
 \frac{m}{A×2.7×10³} = L
 \frac{7.5×10⁶}{2.7×10³} = L
L = 2.78×10³ m
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