Calculate the average recoil force exerted on the weapon during that burst.

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Homework Help Overview

The problem involves calculating the average recoil force exerted on a weapon during an 8-shot burst fired at a rate of 1000 rounds per minute. The bullets have a specified mass and speed, and the context includes concepts of momentum and recoil.

Discussion Character

  • Exploratory, Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants discuss the relationship between the 8-shot burst and the firing rate, questioning how these elements connect to the overall problem. Some mention the conservation of momentum as a relevant concept.

Discussion Status

Participants are actively engaging with the problem, seeking clarification on the relationship between the burst duration and the firing rate. Some guidance has been offered regarding the concept of recoil and momentum, but no consensus has been reached on the specific calculations involved.

Contextual Notes

There is a mention that the burst duration is 0.008 seconds, which may be relevant to the calculations, but further details on how to apply this information are still being explored.

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Homework Statement


A soldier on a firing range fires an 8-shot burst from an assault weapon at a full automatic rate of 1000 rounds per minute. Each bullet has a mass of 7.49 g and a speed of 299 m/s relative to the ground as it leaves the barrel of the weapon.


Homework Equations





The Attempt at a Solution


i don't understand how 8-shot burst and 1000rounds are related
i don't know how to start this question and what basic concept should be used
 
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zhuyilun said:
i don't know how to start this question and what basic concept should be used

Hi zhuyilun! :smile:

When a bullet leaves a gun, the gun recoils, which means that it moves backwards.

It does so because of conservation of momentum. :wink:

(and what is the relationship between force and momentum?)
 
tiny-tim said:
Hi zhuyilun! :smile:

When a bullet leaves a gun, the gun recoils, which means that it moves backwards.

It does so because of conservation of momentum. :wink:

(and what is the relationship between force and momentum?)


i get this part now~! thanks, but what is the relationship between 8-shot burst and 1000 rounds per second
 
zhuyilun said:
i get this part now~! thanks, but what is the relationship between 8-shot burst and 1000 rounds per second

It's telling you that the burst takes .008 seconds. :smile:
 

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