A cube made of a metal of linear expansivity is warmed through a temperature of t. lf the initial volume of the cube is V what is the increase in volume of the cube?

A cube made of a metal of linear expansivity is warmed through a temperature of t. lf the initial volume of the cube is V what is the increase in volume of the cube?

A 1/3Î± Vt
B 1/2Î± Vt
C Î± Vt
D 2Î± Vt
E 3Î± Vt

waec 1990 physics

The correct answer is E. 3Î± Vt

No explanation given

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