Question

Two asteroids in outer space collide, and stick together. The mass of each asteroid, and the velocity of each asteroid before the impact, are known. To find the momentum of the stuck-together asteroids after the impact, what approach would be useful?.

Answer 1

Utilizing the momentum principle is a good strategy since there are no outside forces acting on  system, its total linear momentum is constant, and the total beginning and final momentum of the system are equal.

What does momentum mean in the real world?

The amount that motion is referred to as momentum. Since an object possesses speed if it is moving and has mass, amount is measurable in this situation. An object doesn't have momentum if it isn't moving. Nevertheless, despite its significance in everyday life, many people remained unaware of it.

What use does momentum serve?

Momentum is a vectors quantity since it has both size and direction. Since inertia has a direction, it is used to forecast the direction and rate of motion of objects after a collision. Below is a one-dimensional description of the fundamental characteristics of momentum.

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