Numerade

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- A marble of mass 10.0 g is confined to a box 10.0 cm long and moves with a speed of 2 cm/s. - What is the marble's quantum number n in this speed? - Why can we not see the marble's energy quantized?

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2. Let $f(x) = x - \frac{3}{2}x^{\frac{2}{3}}$. Find the critical point(s) of $f$ and use the first derivative test to determine whether the critical point is a local maximum, minimum or neither.

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Suppose that wages of unskilled and skilled workers are $10 and $20 in the United States and $1 and $5 in India, respectively. What is the relative wage of skilled labor in the United States? Question 4 options: $2/$1 $1/$2 $5/$1 $1/$5

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1. Find the metal that is most reactive if the following oxidation-reduction reaction occurs? Consider hydrogen a metal in this context. 2 HCl(aq) + Pb(s) → H2(g) + PbCl2(aq) O Pb O Cl2 O H2

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What is the benefit of having a sole authority print currency?

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The demand curve for the output of a certain industry is linear; q = A - Bp. There are constant marginal costs of C. For all values of A, B, and C such that A > 0, B > 0, and 0 < C < A/B,

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Why are price wars more common in oligopolies than in pure competition markets?

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If the annual real rate of interest is 3.5%, and the expected inflation rate is 2.5%, the nominal rate of interest would be approximately

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Augusta Golf has the following information available: Cash and equivalents 120,000 Fixed Assets 450,000 Sales 1,387,000 Net Income 100,000 Current Liabilities 125,000 Current Ratio 3X DSO 41 days ROE 15.4% Augusta Golf has no preferred stock -- only common equity, current liabilities and long-term debt. PRIMARY POST: Question 2 CALCULATE THE FOLLOWING: 1) Accounts Receivable 2) Inventory 3) Total Current Assets 4) Total Assets 5) ROA 6) Long-term Debt 7) Common Equity

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Q4. A Three phase star connected abc supply system has 440V (rms) line voltage with 50 Hz frequency. A star connected load combination of (Apparent power) $S_a = S_b = S_c = 500VA$ 0.8pf lagging, is connected to this supply. Assume that the neutral points of both supply system and load are connected to each other. Then, (a) Find the per phase impedance of the load and using them, draw the circuit diagram of this system representing all the phase voltage sources and phase impedances. [12 M]. (b) Find the phase wise currents of the load. [6 M]. (c) Find the current flowing through the neutral wire. [2 M]. (d) Draw the phasor diagram of this system indicating phase voltages, line voltages and all the currents. [10 M]. For reference, take phase to neutral voltage of 'a' phase and mention all the phasors clearly with relevant angles in degrees with respect to the reference. Please indicate all the values in polar form for uniformity.

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adam r.