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sandra thomas

sandra t.

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circular disk with radius r = 0.5 m rotates clockwise with angular velocity de- scribed by !(t) = 2t3 + 3 rad/s. What is the angular acceleration at t = 2 seconds? What is the tangential acceleration at any point P on the edge of the disk when t = 2 seconds?

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What is normal and drug-resistant cells in an initial population before a drug is introduced, what happens to them when the drug is introduced, and what the population is like after a generation

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select all the choices that area measurement technique for emg amplitude for the emg lab experiment

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Problem 2 (5+5+2=12 marks) Suppose that workers in the labor market can be of two types: high productivity (H) and low productivity (L). If employers knew a worker's type, they would be willing to pay H-types a discounted lifetime¹ income of $10,000, and would be willing to pay L-types an income of $7,000. However, without more information, employers do not know the workers' types. In this case, employers would figure that they have a 50-50 chance of ending up with a H-type worker or a L- type worker, and would thus be willing to pay a worker an income $8,500. Workers have the opportunity to do the MAccFin program at UTSC-Management. The opportunity cost of the program (including tuition, effort and psychological cost, and everything else that would have to be given up to complete the program) is $1,000 for the H-type and $2,000 for the L-type. If some workers do the MAccFin program while others do not, employers assume that workers who did the MAccFin program are H-types and workers who did not are L-types. a) Case where the L-types are the first ones to consider doing the MAccFin program: i. Suppose the L-types do the MAccFin program. What are the H-types' net economic benefits (benefit minus opportunity cost) if they imitate the L-types and do the MAccFin as well? What are the H-types' net economic benefits if they do NOT do the MAccFin? Would the H-types imitate the L-types? ii. Anticipating the H-types' reaction discussed above in a)i), what would be the L- types' net economic benefits if they did do the MAccFin in the first place? What would be their possible net economic benefits if they did not do the MAccFin? Should the L-types do the MAccFin in the first place? b) Case where the H-types are the first ones to consider doing the MAccFin program: i. Suppose the H-types do the MAccFin program. What are the L-types' net economic benefits if they imitate the H-types and do the MAccFin as well? What are the L- types' net economic benefits if they do NOT do the MAccFin? Would the L-types imitate the H-types? ii. Anticipating the L-types' reaction discussed above in b)i), what would be the H- types' net economic benefits if they did do the MAccFin in the first place? What would be their possible net economic benefits if they did not do the MAccFin? Should the H-types do the MAccFin in the first place? c) What kind of benefit of education do the answers to parts a) and b) illustrate? Explain briefly.

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Select from the reactions below which reactions are gas forming reactions. Check all that apply. MgCO3(aq) + NaCl(aq) ? K2CO3(aq) + HI(aq) ? Na2CO3(aq) + CaCl?(aq) ? KOH(aq) + HBr(aq) ? Ca(s) + HI(aq) ? None of the above

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Problem 3. Prove that if \(\lim_{i \to \infty} a_i = a\) and \(\lim_{i \to \infty} b_i = b\) as sequences in \(\mathbb{R}\), then \(\lim_{i \to \infty} (a_i + b_i) = a + b\). Problem 4. Prove that if \(\lim_{i \to \infty} a_i = a\) and \(\lim_{i \to \infty} b_i = b\) as sequences in \(\mathbb{R}\), then \(\lim_{i \to \infty} (a_i b_i) = ab\).

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Q16 1 Point Which part of the brain is activated by both physical pain and emotional pain caused by social rejection? ? anterior cingulate cortex ? primary somatosensory cortex ? hippocampus ? spinal cord

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For the MOSFET T1 and T2 shown in the figure, $\mu_\text{cox}$ of T1 is $120 \times 10^{-6} \frac{\mu A}{V^2}$ and $\mu_\text{cox}$ of T2 is $80 \times 10^{-6} \frac{\mu A}{V^2}$. $(W/L)_1 = 1/0.25$, $(W/L)_2 = 1/0.5$, $V_{T1} = V_{T2} = 0.4V$, $V_{DD} = V_X = 3V$. Ignore body effect, velocity saturation, and channel length modulation effects. Find the value of $V_1$ and $I_D$.

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Included within the major CPI basket groups are various government-charged user fees, such as water and sewerage charges, auto registration fees, and vehicle tolls. True False

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Roy services (Oil Change) vehicles in his garage. His lubricants cost him $40 per vehicle. His wages are $120 per hour. He spends 20 minutes per vehicle. His garage rent is $600 per month. He charges $140 to service each vehicle. His Contribution Margin in servicing each vehicle is a. $60 b. $80 c. $100 d. $180

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