Thank you Buzz for your reply,
As I had understood in your reply, you're saying that (in the context of your boat example) the power of the motor of the boat is not constant while it is accelerating, but as the force from the boat's motor achieves dynamic equilibrium with the external forces...
Homework Statement
I stumbled upon some thought, suppose we have an electronic fan cart like this https://i.ytimg.com/vi/Zy7JQ0lwj1w/maxresdefault.jpg
My question is, when I turn it on and it continue to move, is the power expanded by the fan cart constant?
I suspect it is not because it is...