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<blockquote data-quote="tomBitonti" data-source="post: 7419257" data-attributes="member: 13107"><p>8 metric tons of TNT looks right.</p><p></p><p></p><p></p><p>I’m thinking, “fixed” means the target is either much larger than the projectile, or is somehow magically fixed in place. Then, the joules will be correct.</p><p></p><p>What else matters is how the impact energy is distributed. The energy will be distributed across both parts of the impact. Also, comparing straight with the grenade energy is probably not very accurate, as the grenade delivers its energy in a very specific way, and that has a lot of loss.</p><p></p><p>But, another way to look at the collision is to consider the parts of the projectile separately. A person in the collision will need to dissipate their own energy safely, regardless of what else happens.</p><p></p><p>Thx!</p><p>TomB</p></blockquote><p></p>
[QUOTE="tomBitonti, post: 7419257, member: 13107"] 8 metric tons of TNT looks right. I’m thinking, “fixed” means the target is either much larger than the projectile, or is somehow magically fixed in place. Then, the joules will be correct. What else matters is how the impact energy is distributed. The energy will be distributed across both parts of the impact. Also, comparing straight with the grenade energy is probably not very accurate, as the grenade delivers its energy in a very specific way, and that has a lot of loss. But, another way to look at the collision is to consider the parts of the projectile separately. A person in the collision will need to dissipate their own energy safely, regardless of what else happens. Thx! TomB [/QUOTE]
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