A family goes on vacation for one week but forgets to turn off an ...

[WhattoUnderstand]

A family goes on vacation for one week but forgets to turn off an electric fan that consumes electricity at the rate of 200 W. If the cost of electricity is 12.0/kWh how much does it cost (to the nearest penny) to run the fan for the week?
 
  What will be an ideal response?

Question 2

If the frequency of the motion of a simple harmonic oscillator is doubled, by what factor does the maximum speed of the oscillator change?
 
  A) 2
  B) 4
  C) It does not change.
  D) 1/2
  E) 1/4

[Jody Vaughn]

Answer to Question 1

4.03

Answer to Question 2

A

[WhattoUnderstand]

Great answer, keep it coming

[isabelt_18]

Excellent