Question

2x^2 + X - 4 by factories method​

Answer 1

You are being asked to deploy this equation:

force = mass X acceleration, or f = m*a

m = 1000 kg

velocity 45 km/hr = 12.5 m/s so

acceleration a = -2.5 m/s^2 Therefore

f = m*a = 1000 * -2.5 = -2500 newtons