Numerade

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X.7.3. A mass m is tied to the end of a string of length L and swung in a vertical circle. (a) During one complete circle, starting anywhere, calculate the total work done on the ball by (i) the tension in the string, and (ii) gravity. (b) Repeat part (a) for motion along the semicircle from the lowest to the highest point on the path.

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The temperature generally changes with altitude above sea level. On a particular day in Albuquerque, NM the temperature T, in degrees Fahrenheit, at elevation h feet above sea level, is $T(h) = 68 - 0.005h$. Give the numerical value, the units and the practical interpretation in words of the x-intercept.

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Which of the following statements reflects an idea contained in the United Nations’ Universal Declaration of Human Rights? The Security Council of the United Nations would prosecute violations of human rights. The rights and freedoms of people were best defined by individual sovereign nations. The United Nations had the authority to enforce its declaration and vowed to do so. Distinctions based on the race, gender, religion, or political position of any person were prohibited. Save & Continue

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It is often difficult for Euro-American anthropologists to understand same-sex sexuality in other societies because they do not have adequate language to describe what they are studying. O True O False

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3> 9 1 mation You are a museum curator and someone brings you a newly discovered, undescribed, animal species. Upon careful examination, you find the animal has the following characteristics: animal form and gills, jaw-like structures, a hard shell, and a coelom. As an expert in function, you are asked to determine the most likely biological traits of this animal based on this information. (this is your opportunity to creatively use the knowledge you gained this semester) • In what type of habitat would you find this animal? Defend your answer. • To which animal phylum would you assign this animal? Defend your answer.

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1.1 Gold (Au) atoms form FCC solid crystals because of a. Interatomic forces that bind them in the Bravais lattice space b. Interatomic forces that separate atoms in the Bravais lattice space c. Interatomic forces that break atoms in the Bravais lattice space d. None of the above 1.2 Atoms can be modeled as perfect spheres and they bind in the solid state because of a. Coulomb repulsive forces between electrons and neighboring atoms b. Born atractive forces between electrons and neighboring atoms c. Coulomb atractive forces between electrons and neighboring atoms d. None of the above

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4. (25pts) In the class, we learnt the capital recovery factor (CRF) that is given as $CRF = \frac{i(1+i)^n}{(1+i)^n - 1}$ where i the interest rate and n is the number of annuities received. 4a) (10pts) Given i, find the value of $\lim_{n \to \infty} CRF$ 4b) (10pts) For a fixed n, find the 1st and 2nd-order derivatives of CRF with respect to i

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Identify the output of a SQL statement select distinct T.name from instructor as T, instructor as S where T.salary > S.salary and S.dept name = 'Biology'; ID name dept_name salary 10101 Srinivasan Comp. Sci. 65000 12121 Wu Finance 90000 15151 Mozart Music 40000 22222 Einstein Physics 95000 32343 El Said History 60000 33456 Gold Physics 87000 45565 Katz Comp. Sci. 75000 58583 Califieri History 62000 76543 Singh Finance 80000 76766 Crick Biology 72000 83821 Brandt Comp. Sci. 92000 98345 Kim Elec. Eng. 80000

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Step 2: Subsidies and the Equilibrium The following graph shows the demand and supply curves for energy saving lamps. After the government offers a $6 for each unit purchased, the demand curve shifts from D? to D?. On the following graph, use the black point (the cross symbol) to show the equilibrium before the subsidy. Then use the gray point (the star symbol) to show the new equilibrium with the subsidy. Price (Dollars) 30 27 24 21 18 15 12 9 6 3 0 0 10 20 30 40 50 60 70 80 90 100 Quantity (Millions of lamps) S? D? D? Equilibrium (without subsidy) Equilibrium (with subsidy) ? The equilibrium price for the good is when the purchases of the good are subsidized.

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If A (a, 0) and B(-a, 0) are the two fixed points, find the locus of a moving point P when, a) 3PA = 4PB b) 3PA$^2$ + PB$^2$ = AB$^2$

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daniel l.