A heat pump works with a pump of 150W and is adding heat to a hot reservoir with a rate of 1000J/s. If that heat pump was used for cooling what would its coeffiency of cooling be? Assume everything works ideally under perfect conditions.

1. 0.176
2. 0.15
3. 5.6667Correct
4. 6.6667
5. 0.45
6. 0.85