The Pioneer probes carry what kind of physical time capsule? ...

[clmills979]

The Pioneer probes carry what kind of physical time capsule?
 
  A) a small engraved plaque
  B) a gold-plated record containing pictures, multilingual greetings and music
  C) a DVD containing pictures
  D) these probes do not carry a physical time capsule

Question 2

The cross-sectional area of an adjustable single loop is reduced from 1.0 m2 to 0.25 m2 in 0.10 s. What is the average emf that is induced in this coil if it is in a region where B = 2.0 T upward, and the coil's plane is perpendicular to B?
 
  A) 21 V
  B) 15 V
  C) 18 V
  D) 12 V
  E) 0 V

[maya.nigrin17@yahoo.com]

Answer to Question 1

A

Answer to Question 2

B