A pendulum 3.0 m long is oscillating through a maximum angle of ...

[xroflmao]

A pendulum 3.0 m long is oscillating through a maximum angle of 4.8. What is its speed when the angle is 2.4?
 
  A)
 
  0.45 m/s
 
  B)
 
  26 m/s
 
  C)
 
  23 m/s
 
  D)
 
  3.0 m/s
 
  E)
 
  0.39 m/s

Question 2

Mutual inductance can depend upon
 
  A)
 
  the shape of the coils.
  B)
 
  the number of coils.
  C)
 
  the number of turns.
  D)
 
  the relative position of the coils.
  E)
 
  all of the above as well as other factors.

[patma1981]

Answer to Question 1

E

Answer to Question 2

E