Thermal Expansion: An aluminum rod 17.400 cm long at 20°C is heated to 100°C. What is its new length? Aluminum has a linear expansion coefficient of 25 × 10-6 K-1.
A. 17.435 cm
B. 17.365 cm
C. 0.348 cm
D. 0.0348 cm
Answer: A
You might also like to view...
An refrigerator keeps food in the freezer portion at and dumps excess heat into the kitchen, whose temperature is
If the refrigerator has half the coefficient of performance of an ideal reversible refrigerator, what is the refrigerator’s coefficient of performance under these conditions?
A. 1.1 B. 4.2 C. 2.0 D. 3.7
How wide must a narrow slit be if the first diffraction minimum occurs at ±12° with laser light of 633 nm?
A. 3.0 × 10?6 m B. 3.0 × 10?5 m C. 6.1 × 10?6 m D. 6 .1× 10?5 m E. 1.5 × 10?6 m
A neutron star is ________
A) the remains of a star that died in a massive star supernova (if no black hole were created) B) a star made mostly of elements with high atomic mass numbers, so that they have lots of neutrons C) the remains of a star that died by expelling its outer layers in a planetary nebula D) an object that will ultimately become a black hole
In a series LRC circuit an inductor will be dominant at higher frequencies
Indicate whether the statement is true or false