Answer:
The mass is 1200 kilograms
Explanation:
Because Force is equal to mass times acceleration (F=m×a)
F=m×a
1800N=?×1.5
1800÷1.5=1200
1800N=1200Kg×1.5
4000 J
KE = (1/2)(m)(v^2)
KE = .5*500*(4^2)
KE = 4000 J
Answer: 15 m/s
I believe it is north.
