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623.64 NO UNITS, bc Ns/Ns cancel out

Fnet = -11880N
Neg(-) sign = car moving forward & tree pushes back

To decrease the force by decreasing the time

3.75 × 104 m/s

a). 9.39 × 107 kg
b). 769.23 NO UNITS, bc Ns/Ns cancel out

Fnet = 7222.22 N

Vf = 0.29 m/s

Vf = 0.104 m/s

Vf =27.41 m/s

