A box of material X changes volume from 8.75 m³ to 10.0 m³ , when temperature is raised from 42.0 °C to 144 °C. Mass of the box is 12.0 kg.
(a) Calculate the volume expansion coefficient of the material.
(b) Calculate the change in density of the box, if temperature changes by 248 °C and initial volume is 10.0 m³.
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