4) A copper penny has a small circular hole in its center, and, as the penny...

 

Transcribed Image Text:

4) A copper penny has a small circular hole in its center, and, as the penny is heated, the radius of this hole changes. At a temperature of 50°C, the rad- ius of the hole is 4 mm. If the penny is heated to a temperature of 500°C, what will happen to the radius of the hole? a) It will grow by 3 × 10-5 m. b) It will shrink by 3 x 10-5 m. c) It will grow by 9 × 10-5 m. d) It will shrink by 9 x 10-5 m. 4) A copper penny has a small circular hole in its center, and, as the penny is heated, the radius of this hole changes. At a temperature of 50°C, the rad- ius of the hole is 4 mm. If the penny is heated to a temperature of 500°C, what will happen to the radius of the hole? a) It will grow by 3 × 10-5 m. b) It will shrink by 3 x 10-5 m. c) It will grow by 9 × 10-5 m. d) It will shrink by 9 x 10-5 m.

Answer rating: 100% (QA)

T 1 50 C T 2 500 C r 1 4 mm 4x10 3 m r 17x10 6 C 1 The change in hole radius in the co... View the full answer