Measuring where the thermal radiation spectrum of a dense object ...

[Wadzanai]

Measuring where the thermal radiation spectrum of a dense object peaks allows us to determine its
 
  A) chemical composition
  B) physical size
  C) temperature
  D) distance

Question 2

The slope of a line connecting two points on a position versus time graph gives
 
  A) instantaneous velocity.
  B) average velocity.
  C) instantaneous acceleration.
  D) average acceleration
  E) none of the given answers.

[trampas]

Answer to Question 1

C

Answer to Question 2

B

[Wadzanai]

Great answer, keep it coming

[billybob123]

Thanks for the timely response, appreciate it