Respuesta :
Second Law of Newton: Net force equals mass times acceleration
F = m*a => m = F/a
m = 450N / 15 m/s^2 = 30 kg
Answer: option B) 30 kg
F = m*a => m = F/a
m = 450N / 15 m/s^2 = 30 kg
Answer: option B) 30 kg