Question

Explain please with details ?

Answer 1

D

Explanation:

Here, we only need a definition.

`P = W/t`

Power is work over time.

The work is 1800 J - 360 J = 1440 J
The time is 3 minutes = 180 s

A watt (W) is 1 joule per second, so
`P = (1440 J) / (180 s) = 8 W`, D