In a closed system, an object with a mass of 1.5 kg collides with a second object. The two objects then move together at a velocity of 50 m/s. The total momentum of the system is 250 kg⋅m/s. What is the mass of the second object? (1 point) Responses 5.0 kg 5.0 kg 3.0 kg 3.0 kg 3.5 kg 3.5 kg 1.5 kg

3.5 kg