Numerade

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Consider a cavity made of solid material at room temperature, in which the atoms vibrate as local harmonic oscillators at a frequency of 1013 Hz. Determine the minimum di↵erence in energy of photons emitted by these atoms. Hence explain why such a blackbody shows a continuum rather than line spectrum. [Hint: the ground state energy of hydrogen is 13.6eV]

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Waxman Company had net income of $185,000 in 2023. Depreciation expense for the year is $45,000. During the year, Accounts Receivable increased $7,000 and Prepaid Expenses decreased $2,000. The company also sold equipment at a loss of $2,000. Instructions Calculate net cash flows from operating activities using the indirect method.

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Calculate the definite integral.\\ $\int_0^1 13 \sqrt[13]{x} dx$ \\ $\int_0^1 13 \sqrt[13]{x} dx = $\\ (Type an exact answer in simplified form.)

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Which sampling method involves selecting the same percentage of groups of participants, such as the same percentage of Republicans and Democrats?

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The available enforcement mechanisms are ________ at the international level compared to national level. Question 1 options: absent much stronger essentially the same much weaker

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Now that we know our target audience and have defined our goals and objectives, let's develop a campaign that will achieve them. Do you think that the MARKit! customers would like an "emotional" or "rational" appeal strategy?

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In general, street crime has dropped the past couple of decades Group of answer choices only in places where tough policing strategies were implemented nationwide, including places without “get tough on crime” policing in places that have become gentrified in places with declining minority populations

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issify each of the molecules in the table. molecule =O CH3-CH2-CH=CH-(CH2)9-C-OH type of molecule (check all that apply) fatty acid monoglyceride diglyceride triglyceride saturated unsaturated monounsaturated polyunsaturated omega-3 omega-6 fatty acid monoglyceride diglyceride triglyceride saturated CH3-(CH2)6-C-OH unsaturated monounsaturated polyunsaturated omega-3 omega-6 0= CH3-(CH2)16-C-OH X fatty acid monoglyceride diglyceride triglyceride saturated unsaturated monounsaturated polyunsaturated omega-3 omega-6

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Sketch the polar curves $r = 2(1 - \cos \theta)$. Be accurate with your written work. Label your polar coordinates appropriately. Next, find the area of the region that lies inside $r = 2(1 - \cos \theta)$. Give an exact answer for your result, don't approximate. Show all your work

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Solve the system by the elimination method. 7x - y = 4 3x - 2y = -3 x = Number and y = Number

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purificaci-n h.