When a metal ball is heated through 30 o C,its volume becomes 1.0018cm 3 .
PHYSICS
WAEC 2004
When a metal ball is heated through 30oC,its volume becomes 1.0018cm3. If the linear expansivity of the material of the ball is 2.0 x 10-5 K-1, calculate its original volume
- A. 1.0000cm3
- B. 1.0020cm3
- C. 1.0036cm3
- D. 1.0180cm3
Correct Answer: A. 1.0000cm3
Explanation
\(V_1 = \frac{V_2}{3} = \frac{1.0018}{3 \times 2.0 \times 10^{-5} \times 30 + 1}\)
= 1cm3
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