A distant star is blue. The wavelength of the light is determined to be 460 nM (nanometers). Using Wien’s Law, determine the temperature of the star.

What are the three ways that an object can accelerate

Which is not true about oxygen-17 and oxygen-18?

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.