Multiple Choice
A bimetallic strip is made by bonding together a 1.0-mm thick and 15.0-cm long steel strip to a similar strip made of aluminum. The strip is straight when the temperature is 20.0°C. What will the radius of curvature of the strip be when the temperature is 40.0°C? The coefficient of thermal expansion of steel is 10.5 × 10-6K-1 and that of aluminum is 23.0 × 10-6K-1.
A) 4.0 m
B) 3.6 m
C) 4.8 m
D) 5.2 m
E) 4.4 m
Correct Answer:
Verified
Correct Answer:
Verified
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