A simple harmonic oscillator has an amplitude of 3.50 cm and a ...

[cherise1989]

A simple harmonic oscillator has an amplitude of 3.50 cm and a maximum speed of 28.0 cm/s. What is its speed when the displacement is 1.75 cm?
 
  A)
 
  12.0 cm/s
 
  B)
 
  24.2 cm/s
 
  C)
 
  14.2 cm/s
 
  D)
 
  15.0 cm/s
 
  E)
 
  17.0 cm/s

Question 2

A 6.0-F air capacitor is connected across a 100-V battery. After the battery fully charges the capacitor, the capacitor is immersed in transformer oil (dielectric constant = 4.5).
 
  How much additional charge flows from the battery, which remained connected during the process? A)
 
  1.2 mC
  B)
 
  1.5 mC
  C)
 
  1.7 mC
  D)
 
  2.1 mC
  E)
 
  2.5 mC

[juwms]

Answer to Question 1

B

Answer to Question 2

D

[cherise1989]

TYSM

[elyse44]

Gracias!