Superman throws a boulder of weight 3500 N at an adversary. What horizontal force must Superman apply to the boulder to give it a horizontal acceleration of 12.7 m/s^2?

Question

F=?
Fnet(x)=MA(x)
I did (3500 N)(12.7 m/s^2) = 44450 N
This answer is wrong. So what's up?

Answer 1

So answer = 4540!
Yes physics 221 students, this answer was brought to you by my failure to complete Mastering Physics problem and ended up pressing the show answer button

Answer 2

May my sacrifice be beneficial to the common good.