Oh your from the other question you made I just saw it LOL.
But heres the answer click the 3 dots on the question you made or you can ask a Moderator or Administrator to remove your question with a reason.
D.6.22N. because .42kg * 14.8m/s=6.22 N[meaning newtons}.
We know, P = F . ΔV
P = 185 * 2.39 = 442.15 watt
