A spaceship leaves Earth at a steady forward speed of 70 the ...

[Brittanyd9008]

A spaceship leaves Earth at a steady forward speed of 70 the speed of light. How fast relative to the ship must the spaceship launch a shuttlecraft in the forward direction so that it will be moving away from Earth at 98.7 the speed of light?
 
  A) 0.91c
  B) 0.97c
  C) 0.93c
  D) 0.99c
  E) 0.84c

Question 2

A 9.00-F and a 12.0-F capacitor are connected together, and this combination is connected across a 25.0-V potential difference. How much electric energy is stored in the combination if they are connected (a) in parallel or (b) in series?
 
  What will be an ideal response?

[jliusyl]

Answer to Question 1

C

Answer to Question 2

(a) 6.56 mJ (b) 1.61 mJ

[Brittanyd9008]

Excellent

[bdobbins]

Gracias!