A rod, when heated from 0°C to 50°C, expands by 1.0 mm. Another rod, twice as long as the first at 0°C and of the same material, is heated from 0°C to 25°C. The second rod will expand by ……
A. 0.5 mm
B. 1.0 mm
C. 2.0 mm
D. 4.0 mm
Answer:B
A rod, when heated from 0°C to 50°C, expands by 1.0 mm. Another rod, twice as long as the first at 0°C and of the same material, is heated from 0°C to 25°C. The second rod will expand by ……
A. 0.5 mm B. 1.0 mm C. 2.0 mm D. 4.0 mm