Question

What is the mass of an object that needs a force of 6600 N to increase its speed from rest to 107 m/s in 2.3 seconds?

Answer 1

given F=6600N   u=0m/s  v=107m/s  t=2.3s  m=?
 F=m(v-u)/t
6600=m(107-0)/2.3
m=6600*2.3/107
m=141.869Kg