# Questions tagged [collision]

Interaction between two or more bodies that results in physical contact and an exchange of momentum between the bodies involved.

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### Do faster moving projectiles make larger penetration holes? [closed]

When it comes to shooting guns, a bullet of a certain size will make a certain size hole in the paper or wood target. A $.22$ bullet makes a pea size hole regardless of if its shot out of a pistol ...
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### Change in momentum for gas particle collision with wall

I've attached the question as an image below as it's a graphical question. It simply states: "The diagram shows a gas particle about to collide elastically with a wall. Which diagram shows the ...
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### What happens when in space a basketball flies and hits another resting basketball?

We have the following situation: In space, a basketball flies and hits another resting basketball. What happens next? a) Both balls fly in the original direction (but slightly slower) = momentum ...
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### Net Force regarding Impulse and Momentum

I'm just going to preface this with: I don't know much, I've just started learning about impulse. Question: If there is a change in velocity regarding momentum $P$ then would there be a net force on ...
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### Maximum scattering angle for relativistic elastic collision

In Landau Classical theory of fields, in the section of elastic collision(chapter 2, section 13), he mentions that for $m_1>m_2$, the scattering angle $\theta_i$ cannot exceed a maximum value, and ...