A 9.0-V battery moves 200 mC of charge through a circuit running ...

[j.rubin]

A 9.0-V battery moves 200 mC of charge through a circuit running from its positive terminal to its negative terminal. How much energy was delivered to the circuit?
 a. 4.5 x 103 J
  c. 2.2 mJ
  b. 1.8 J
  d. 0.18 J

Question 2

A model car is propelled by a cylinder of carbon dioxide gas. The cylinder emits gas at a rate of 4.5 g/s with an exit speed of 80.0 m/s. The car has a mass of 200 g, including the CO2 cylinder. Starting from rest, what is the car's initial acceleration?
 a. 0.90 m/s2
  c. 9.0 m/s2
  b. 1.8 m/s2
  d. 36 m/s2

[laurnthompson]

Answer to Question 1

B

Answer to Question 2

B