One degree celsius indicates the same temperature change as
a. 9/5 kelvin.
b. one degree fahrenheit.
c. one kelvin.
d. 5/9 degree fahrenheit

The de broglie relation λ=h/p can be rewritten in terms of the wave number k as p=kℏ. recall that wave number is defined by k=2π/λ. using the fact that λ=v/f, find the wave numbers k1 and k2 corresponding to frequencies f1 and f2. express your answer as two expressions

Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.