Calculating Impact Depth & Speed for 1kg Steel Piece

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SUMMARY

The discussion focuses on calculating the impact depth and speed of a 1kg steel piece striking a steel surface at 5m/s, utilizing a material shear strength of 0.345 kN/mm². The calculations involve determining the penetration depth upon impact and the necessary speed to penetrate a 1cm thick steel sheet. The results indicate that the impact depth can be derived from the shear strength and the velocity of the steel piece, while the required speed for penetration is significantly higher than the initial impact speed.

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  • Familiarity with material properties, specifically shear strength of steel.
  • Knowledge of impact mechanics and penetration theory.
  • Ability to perform calculations involving force, area, and pressure.
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  • Research the formula for calculating impact depth based on shear strength and velocity.
  • Study the mechanics of penetration in materials, focusing on steel-to-steel impacts.
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jozne
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If 1kg piece of steel hits steel surface with speed of 5m/s, how can you
calculate the depth of the impact? Let's assume that the steel has
0.345 kN/mm2 material shear strength.

Second question is that how much speed is needed to that same steel piece
to penetrate 1cm thick steel sheet (using the same shear strength), and
what's the speed of the 1kg steel piece after the penetration?
 
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jozne said:
If 1kg piece of steel hits steel surface with speed of 5m/s, how can you calculate the depth of the impact?
Please show your work first. If this is a homework/textbook problem, please post the original question EXACTLY as it was given to you.
 

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