Post a New Question


posted by .

A 20 N force acts on a 10 kg object parallel to the object's displacement. If the force acts for 32 m, what is the final kinetic energy, in J, of the object assuming it starts from rest?

  • Physics -

    a=F/m = 20/10=2 m/s².
    v²= 2as.
    KE=mv²/2= m2as/2=mas=10•2•32=640 J

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question