In a pure resistive circuit, the phase angle between current and ...

[Caiter2013]

In a pure resistive circuit, the phase angle between current and voltage is
 
  A)
 
  0.
  B)
 
  /2 radians.
  C)
 
  -/2 radians.
  D)
 
   radians.
  E)
 
  3/4 radians.

Question 2

A 2.00-kg mass oscillates on the end of a spring with spring constant 12.0 N/m.
 
  Its amplitude of oscillation decreases from 10.0 cm to 1.0 cm in 2.00 s. What is the angular frequency at which this oscillator will have its peak amplitude?
  A)
 
  7.28 s-1
 
  B)
 
  0.622 s-1
 
  C)
 
  2.45 s-1
 
  D)
 
  2.16 s-1
 
  E)
 
  0.311 s-1

[Mholman93]

Answer to Question 1

A

Answer to Question 2

D

[Caiter2013]

TYSM

[Jsherida]

Excellent