Well, one can take 13 and subtract 56 which is -43.
One can also add 56 to 13 to equal 69.
C is the answer.
Answer:
Explanation:
F=ma where F is the force, m is the mass of object and a is acceleration
Initial mass is 13000 Kg
Final mass=1300-(66*7)=12538 Kg
where and are initial and final mass respectively, and are initial and final acceleration respectively
By substitution
I cant find a article with that name? Are you sure its right?