Question

Question #9d17b

Answer 1

6.67 kg

Explanation:

Data: `vo=0 m/s, vf=12m/s, t=10.s, F=8N`

Formulae: `vf=vo +at, F=ma`

Rearrange formula to solve for a: `a=(vf-vo)/t=(12m/s-0)/(10s)=1.2 m/s^2`

Rearrange formula to solve for m: `m=F/a=(8N)/(1.2 m/s^2)=6.6666m/s`