An object whose center of gravity is above its base of support ...

[Mr3Hunna]

An object whose center of gravity is above its base of support will be unstable if a vertical line projected downward from the center of gravity falls outside of the base of support.
 
  Indicate whether the statement is true or false

Question 2

A light-emitting diode emits one microwatt of 640 nm photons. How many photons are emitted each second?
 
  A)
 
  2.5  1020
  B)
 
  9.7  1020
  C)
 
  2.0  1031
  D)
 
  3.0  1021
  E)
 
  3.2  1012

[Qarqy]

Answer to Question 1

TRUE

Answer to Question 2

E