Q: In an isolated system two cars each with a mass of 2000 kg collide Car 1 is initially at rest while Car 2 was moving at 20 ms What is their combined momentum after the collision?

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Their combined momentum was 40,000 kg-m/s: 2000kg X 20 m/s= 40000 kg-m/s.

Law of Conservation of Momentum: The total momentum after the collision is equal to the total momentum before the collission.

10,000

The total momentum before the collision is 10,000 kg m/s (1000 kg * 10 m/s) in the direction of Car 2's initial velocity. Since the system is isolated, momentum is conserved. After the collision, the total momentum is still 10,000 kg m/s, but now shared between the two cars.

The velocity of mass m after the collision will depend on the conservation of momentum. If the system is isolated and no external forces act on it, the momentum before the collision will equal the momentum after the collision. So, you will need to calculate the initial momentum of the system and then use it to find the final velocity of m.

Their speed after colliding will be 5 m/s. This can be calculated using the principle of conservation of momentum, where the total momentum before the collision is equal to the total momentum after the collision.

By conservation of momentum in an isolated system, the total momentum before the collision is equal to the total momentum after the collision. You can calculate this using the formula for conservation of momentum, which states that the initial momentum of car 2 is equal to the combined momentum of both cars after the collision. With this information, you can determine the common final speed of the two cars after the collision.

10,000 kg-m/s

10,000 kg-m/s

10 m/s

Their speed after the collision would be 5 m/s. This can be calculated using the principle of conservation of momentum, which states that the total momentum before the collision is equal to the total momentum after the collision in an isolated system. Since Car 1 was initially at rest (0 m/s) and Car 2 was moving at 10 m/s, their total momentum before the collision would be m * v = 1000 kg * 10 m/s = 10000 kgā m/s. After the collision, this total momentum would be divided between the two cars, resulting in a speed of 5 m/s for the combined system.

The total momentum is the sum of the individual momenta. We use the equation p = m * v, where p is momentum, m is mass, and v is velocity. Car 2's initial momentum is 1500 kg * 5 m/s = 7500 kg m/s. Car 1's initial momentum is 0, so the total combined momentum after the collision is 7500 kg m/s.