To find the power used, we can use the formula for power which is:
Power (P) = Work (W) / Time (t)
In this case, we have:
- Work (W) = 2000 joules
- Time (t) = 5 seconds
We can now substitute the values into the formula:
P = 2000 J / 5 s = 400 W
Therefore, the power used is 400 watts.