Numerade

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Question 55 (1 point) Of the following, the best rule to reduce drowning risk is 1) don't swim alone. 2) drink only moderately. 3) have a personal flotation device nearby when boating. 4) when swimming in unfamiliar waters, tell someone where you are going.

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2.30. Determine the force on a point charge of 50 µC at (0,0, 5) m due to a point charge of 500π µC at the origin. Compare the answer with Problems 2.4 and 2.5, where this same total charge is distributed over a circular disk. Ans. 28.3a, N 2.31. Find the force on a point charge of 30 µC at (0,0,5) m due to a 4 m square in the z = 0 plane between x = ±2m and y= ±2m with a total charge of 500 µC, distributed uniformly. Ans. 4.66a, N

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When they act as a profit-maximizing cartel, each company will produce 160 cans and charge $1.20 per can. Given this information, each firm earns a daily profit

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Part 1: Cladogram. Draw a cladogram that includes the following groups and characteristics (10 points). Groups: Echinodermata, Mollusca, Cnidaria, Porifera, Platyhelminthes, Arthropoda, Annelida, Chordata, Choanoflagellates, Mollusca, and Nematoda Characteristics: deuterostomate, protostomate, eukaryotic, heterotrophic, acoelomate, diploblastic, triploblastic, ecdysis, pseudocoelomate, bilateral symmetry, radial symmetry, pentaradial symmetry, coelomate, choanocytes, metamerism, multicellular, nematocysts

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The non-inverting amplifier of Figure 3 has an open-loop gain $A_o = 5 \cdot 10^5$, $R_F = 30$ k$\Omega$, and $R_1 = 10 \text{ k}\Omega$. Calculate a) the closed-loop gain $A_f$, b) the output voltage $v_o$, and c) the error in the output voltage if the output gain $A_o$ is assumed infinite.

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b) A single cylinder, single acting, four stroke oil engine develops 18kW indicated power at 275 rpm. The work done by the gases during the expansion stroke is 2.3 times the work done on the gases during the compression stroke and work done during the suction and exhaust strokes is negligible. If the speed is to be maintained within -1% to +1% of the mean speed, find the flywheel effect.

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What is NOT a respected method for studying the brain? Brain surgery/ lesion studies Neuroimaging Trepanation Electrical stimulation In the Asch experiment about detecting the length of lines, people were less likely to conform to the group response if: They were high on conscientiousness The experiment was from a less prestigious university The experimenters argued about the study At least one other person dissented

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Let A and B be events in a sample space S such that P(A) = 27/100, P(B) = 49/100, and P(A\cap B) = 7/100. Find P(B|A$^c$). Hint: Draw a Venn Diagram to find P(A$^c$ \cap B). a) 0.8571 b) 0.0959 c) 0.5753 d) 1.8148 e) 0.6712 f) None of the above. Question 3

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Wire Loop entering a Magnetic Field A rectangular wire loop of height h, width w, and net electrical resistance R lies in the x- y plane. As shown in the figure below, there is a region of space at -1.5w < x < 0 in which there is a magnetic field pointing in the -z direction (into the page). In order to determine the magnitude of this field, a student pulls the wire loop through the magnetic field region at a constant velocity v in the +x-direction, and measures the current / induced in the loop during this process. R = 43 ? h = 4 cm w = 6 cm v = 7 cm/sec 12. If, when the leading edge, A, of the loop is located at $x_A = -w$, the student measures a current of $20 \times 10^{-6}$ A, what is the magnitude, B, of the magnetic field? A) 0.12 T B) 0.31 T C) 0.57 T D) 0.99 T E) 1.15 T 13. When the leading edge, A, of the loop is located at $x_A = +w/2$, what is the direction of the current flowing in the loop? A) Clockwise B) Counter-Clockwise C) No current flows in the loop in this situation

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THE SUNLAND PARTNERSHIP Balance Sheet December 31, 2020 Assets Current Assets Cash Accounts Receivable Less Allowance for Doubtful Accounts Supplies Total Current Assets Property, Plant and Equipment Land Buildings Equipment Total Property, Plant and Equipment Total Assets Long-term Liabilities Mortgage Payable Owners' Equity Terry, Capital Frank, Capital Nick, Capital Total Owners' Equity Total Liabilities and Owners' Equity 36600 35500 3300 75400 141700 217100 Liabilities and Owners' Equity

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eduardo e.