Respuesta :
Answer:
B. –15.0 kN
Explanation:
Explanation: Newton’s second law states that force is equal to mass times acceleration: F = ma. If the mass of the dummy is 60.0 kg and the acceleration is –250 m/s2, the force is 60.0 kg · (–250 m/s2) = –15,000 N, or 15.0 kN. (Recall that 1 kN = 1,000 N.)