Commonly used units for solar energy input are a. watts b. ...

[Alainaaa8]

Commonly used units for solar energy input are
 a. watts b. watts/day c. watts/day/m2 d. Btu e. Btu/ft2/day

Question 2

A book is resting on a table. How many forces would be in the free-body diagram of the book?
 a. one
  b. two of the same type
  c. two of different types
  d. three or more of the same type
  e. three or more of at least two different types

[Li Jun]

Answer to Question 1

e

Answer to Question 2

C

[Alainaaa8]

TYSM

[EAN94]

Thanks for the timely response, appreciate it