Answered

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Consider a system to be one train car moving toward another train car at rest. When the train cars collide, the two cars stick together. What is the total momentum of the system after the collision? 800 kg • m/s 1,600 kg • m/s 2,400 kg • m/s 4,000 kg • m/s.

Sagot :

The momentum of the body is given by the product of the mass and velocity of the body. The total momentum of the system after the collision is 2400 kgm/sec.

What is the law of conservation of momentum?

According to the law of conservation of momentum, the momentum of the body before the collision is always equal to the momentum of the body after the collision.

The momentum of the body is given by the product of the mass and velocity of the body.

According to the law of conservation of momentum

Momentum before collision =Momentum after collision

The given data in the problem is;

mass of train m₁ = 600

mass of car m₂= 400

the velocity of train = 4 m/sec

velocity of car =0 m/sec (rest)

Momentum after collision;

[tex]\rm M_f=m_1v_1+m_2v_2 \\\\\ \rm M_f=600 \times 4 +400 \times 0 \\\\ \rm M_f=2400\;kgm/sec[/tex]

Hence the total momentum of the system after the collision is 2400 kgm/sec.

To learn more about the law of conservation of momentum refer to;

https://brainly.com/question/1113396

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