Question

a 4.0kg mass epxerience a net force of 36N for 3.1 seconds, in the direction in which t was already moving. If the mass's original speed was 2.7m/s, calculate its speed after the force was applied.

what formula do i use?

Answer 1

2nd low of newton to determin acceleration
and then
Vfinal=Vinitial + a*t

Answer 2

thank you,