Task 10872.
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- Physics
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- 31.12.2015 19:04:40
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- Юрий Физик · about the seller and their products
DESCRIPTION
Task 10872.
The shock of the hammer ramming systems for pile driving, the mass of which 0.4 tons, falling at a speed of 3 m / s and pile hammers weighing 0.8 tons in soil pit dug under the foundation of the building. Calculate the value of the kinetic energy of the hammer impact (including a blow completely inelastic); energy spent to dive piles into the soil excavation; Efficiency during impact.
Additional information:
Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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