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richard isern

richard i.

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Part (e) In what direction will the center of mass of the yo-yo accelerate in Case 1? Select the best response. The center of mass of the yo-yo will accelerate to the right.It depends only on the magnitude of F.It depends only on the magnitude of M.The center of mass of the yo-yo will not accelerate.It depends on both the magnitudes of F and M.The center of mass of the yo-yo will accelerate to the left.

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Two 10-cm -diameter charged rings face each other, 20 cm apart. The left ring is charged to - 30 nC and the right ring is charged to + 30 nC . Part A Part complete Part B What is the direction of the electric field E⃗ at the midpoint between the two rings? View Available Hint(s)for Part B to the center of the right ring to the center of the left ring Part C What is the magnitude of the force on a proton at the midpoint? Express your answer with the appropriate units. View Available Hint(s)for Part C Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type F = nothing nothing

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A 1.285 g sample of ethanol, Câ‚‚Hâ‚‚O, is combusted in a bomb calorimeter with a calorimeter constant $C_{calorimeter} = 4.798 \, kJ/^\circ C$. causing the temperature to rise by 6.984$^\circ$C. Calculate $q$ for the combustion reaction. $q_{rxn} = \text{____} \, kJ$

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Let $f(x)$ be a function whose graph is shown as the blue curve in the following figure. The red line is the tangent line to the graph of $f$ at the point where $x = 2$. Evaluate $f'(2)$. Answer:

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find a prime p such that when p is divided by 1115, the remainder is 223

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The attractiveness of an industry is ? unregulated by the general environment ? the extent to which a firm has control over its profitability ? dependent on the number of large firms that are operating in an industry ? the degree to which an average firm in the industry can earn good profits

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Texts: answer 36-38 please Evolution of the Vertebrates Exercises 297 33. Did they have gills? 34. Did they have scales? 35. Give the age period name and dates of the carliet fish from these two references. 36. Where did Astaspis live? (List four states where they have been found.) THE EVOLUTION OF FISH WITH JAWS Jawed fish are gnathostomes, as opposed to the ostracoderms or jawless fish. The classification of the gnathostomes is shown in Box 12.2. (A simplified version of some of the traditional nomenclature is included in blue.) Box 12.2 Classification of the Gnathostomes GNATHOSTOMES - Osteostraci (fossil armored jawless vertebrates called ostracoderms) - Gnathostomata (vertebrates with jaws) - Placodermi (placoderm fish: armored jawed vertebrates) - Chondrichthyes (sharks and rays) - Teleostomi (teleost fish) - Acanthodii (spiny fish) - Osteichthyes (bony fish) - Actinopterygii (ray-finned fish, most modern fish) - Sarcopterygii (lobe-finned fish and terrestrial vertebrates) [Class Sarcopterygii] - Coelacanthimorpha (coelacanths) (Order Coelacanthiformes) - Dipnoi (lungfish) (Subclass Dipnoi) - Onychodontiformes (extinct fish) - Porolepimorpha (extinct fish) - Osteolepimorpha (extinct lobe-finned fishes such as Eusthenopteron) - Rhizodontimorpha (extinct lobe-finned fishes) - Terrestrial vertebrates (Subclass Tetrapodomorphal) Janvier, P. (1997). Gnathostoma. In Jaekel, O. (Ed.), The Tree of Life Web Project. Retrieved from https://www.tolweb.org/Gnathostomata/14860 Zimmer, C. (1996). Death From the Pleistocene Sky. Discover, 173. Retrieved from https://www.discovermagazine.com/planet-earth/death-from-the-pleistocene-sky 37. What animal is shown in the diagram with jaws and gill arches in the Gnathostomata reference? Hint: See the caption. 38. What does the Zimmer article propose as a reason for the development of jaws?

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3. The energy required to break a chemical bond is typically 3-4 eV. What wavelengths of light does this correspond to?

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A B C Good Y D Good Y Good Y Good Y Good X Good X Good X Good X In the figure above. Which budget line reflects an increase in the price of good Y? A D C None of the above.

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You are given the following information for Freewheel Ltd: At the start of the business in January, investors put 75,000 share capital into the company. The budget for the year to June includes the following forecasts: Sales, Purchases, Wages, and Salaries in units. Sales: January - 4,000 February - 2,200 March - 4,500 April - 4,600 May - 4,800 June - 5,000 Purchases: January - 12,000 February - 13,000 March - 14,000 April - 18,000 May - 16,000 June - 16,000 Wages and Salaries: January - 8,000 February - 8,000 March - 10,000 April - 10,000 May - 10,000 June - 12,000 The selling price will be $6 per unit for the first 3 months but will increase to $8 per unit in April. 50% of sales are cash, and the remaining 50% are given 2 months credit. Purchases are paid for two months after purchase. Wages and salaries are paid for at the end of each month. During January, the company purchases machinery for $50,000, fixtures and fittings for $15,000, and a small van for $10,000. The machinery will be paid for in 2 equal installments in the two months following purchase. The fixtures and fittings and the van will be paid for in full in January. Additional information: 1. The company has closing inventory of $12,000. 2. Rent is $1,500 a month, including rates and insurance, and is paid in the month in which it is incurred. 3. Heat and light bills are paid by direct debit at the end of each quarter. The annual heat and light bill is $5,000. 4. The total dividend declared for the year up to date is $4,000, payable as follows: an interim dividend of $3,000 will be paid in May, and the balance of $1,000 will be paid in October. 5. Half of the tax liability of $1,000 is payable in June, with the balance due in December. Required: Prepare the following financial statements for the six months ended in June: Cash flow forecast, Income Statement, Statement of Financial Position.

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