Recent content by clutch12

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    How Does the Stiffness of an Interatomic Bond Affect Iron's Elasticity?

    oh so basically i don't need to multiply it by 2.9 then right?
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    How Does the Stiffness of an Interatomic Bond Affect Iron's Elasticity?

    so I am multiply 0.5 cm by 0.05 cm?
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    How Does the Stiffness of an Interatomic Bond Affect Iron's Elasticity?

    Homework Statement One mole of iron (6 *10^23 atoms) has a mass of 56 grams, and its density is 7.87 grams per cubic centimeter, so the center-to-center distance between atoms is 2.28 *10-10 m. You have a long thin bar of iron, 2.9 m long, with a square cross section, 0.05 cm on a side...
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    Quantized Energy of Molecules: Minimum Energy to Break Apart

    oh i get it now thanks
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    Quantized Energy of Molecules: Minimum Energy to Break Apart

    Homework Statement The graph below shows all of the quantized energies (bound states) for one of these molecules. For this molecule, E0 = -2.5 eV, E1 = -1.20 eV, E2 = -0.72 eV, and E3 = -0.30 eV. What is the minimum amount of energy required to break a molecule apart, if it is initially in the...
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    What Are the Energy Levels of a Quantum Object with Three Bound States?

    Homework Statement Suppose we have reason to suspect that a certain quantum object has only three quantum states. When we excite a collection of such objects we observe that they emit electromagnetic radiation of three different energies: 0.2 eV (infrared), 2.1 eV (visible), and 2.3 eV...
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    Heating a house, energy loss to surroundings

    oh ok thanks for the help
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    Specific Heat Problem and boiling water

    oh ok thanks for clearing that up
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    Heating a house, energy loss to surroundings

    so for a question like this are we converting kw to watts and then multiplying it by 60 secs?
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    Specific Heat Problem and boiling water

    Alright and when I am determining the temperature am i subtracting 100-52.319 or no?
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    Specific Heat Problem and boiling water

    Homework Statement 140 grams of boiling water (temperature 100° C, heat capacity 4.2 J/gram/K) are poured into an aluminum pan whose mass is 1100 grams and initial temperature 24° C (the heat capacity of aluminum is 0.9 J/gram/K). After a short time, what is the temperature of the water...
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    Calculating Spring Compression for Escape Velocity from Spinning Asteroid

    Alright thanks imma work on this problem and see what i get as an answer
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    Solve Stiffness Question: Work to Change Spring Length

    Alright thanks
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    Calculating Spring Compression for Escape Velocity from Spinning Asteroid

    Homework Statement A package of mass 9 kg sits at the equator of an airless asteroid of mass 6.1 * 10^5 kg and radius 36 m, which is spinning so that a point on the equator is moving with speed 2 m/s. We want to launch the package in such a way that it will never come back, and when it is...
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    Solve Stiffness Question: Work to Change Spring Length

    Homework Statement A spring has a relaxed length of 6 cm and a stiffness of 150 N/m. How much work must you do to change its length from 8 cm to 12 cm? Homework Equations 1/2Ks,f - 1/2Ks,i The Attempt at a Solution 1/2 Ks,f^2 - 1/2 Ks,i ^2 1/2 (150)(0.06m)^2 -...