Does Water Reduce the Impact and Heat of Collisions Compared to Air?

In summary, conservation of momentum is a fundamental law of physics that states that the total momentum of a closed system remains constant over time. It is important because it allows us to understand and predict the motion of objects in a system. The total momentum of a system can be calculated by multiplying the mass of an object by its velocity, and it cannot be lost or gained within a closed system. Real-life examples of conservation of momentum include a game of pool and a rocket launching into space.
  • #1
v_pino
169
0
Does a collision that happens in water have a stronger impact than a collision on land?
 
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  • #2
Only if it collides harder.
 
  • #3
i would imagine that the surrounding water would absorb some of the impact more than air particles,
and also wouldn't the heat caused by the friction be cooled more quickly by water
 

Related to Does Water Reduce the Impact and Heat of Collisions Compared to Air?

What is conservation of momentum?

Conservation of momentum is a fundamental law of physics that states that the total momentum of a closed system remains constant over time, regardless of any internal or external forces acting on the system. This means that the total momentum before an event or interaction is equal to the total momentum after the event.

Why is conservation of momentum important?

Conservation of momentum is important because it allows us to understand and predict the motion of objects in a system. It is applicable in a wide range of situations, from simple collisions to the movements of celestial bodies in space.

How is conservation of momentum calculated?

The total momentum of a system can be calculated by multiplying the mass of an object by its velocity. For a closed system, the total momentum before an event is equal to the total momentum after the event. This means that the sum of all momentum vectors in the system before the event is equal to the sum of all momentum vectors after the event.

Can momentum be lost in a closed system?

No, according to the law of conservation of momentum, the total momentum of a closed system must remain constant. This means that momentum cannot be lost or gained within the system, but it can be transferred between objects within the system.

What are some real-life examples of conservation of momentum?

Some real-life examples of conservation of momentum include a game of pool, where the momentum of the cue ball is transferred to the other balls upon impact, and a rocket launching into space, where the momentum of the gas being expelled is equal and opposite to the momentum of the rocket propelling forward.

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