Answer:
2 m/s^2, west
Explanation:
Vf=final velcoity
Vi=initial velocity
t=timw
=
= - 2 m/s^2
The - changes direction and makes it opposite
2 m/s, west
Don't know sorry..................
Mass(M)=15 kg
Acceleration(A)=4 m/s2
Force=?
Now,
Force(F)=M×A
F=15×4
F=60N Ans