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james phillips

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Shade tolerant and shade intolerant tree species tend to have different shaped canopies. Please describe the differences you would expect to see between the canopy shape of a shade tolerant and a shade intolerant tree growing in the same stand. Assume that both trees have similar growth forms. Why do the two species have different canopy shapes?

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What facilitates the crossing and secretion of antibodies from the lamina proporia to the gut lumen?

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The fossil record documents changes in some types of animals in great detail, such as the change from small, curved shells to larger, flatter shells in O beetles O snails O oysters O turtles

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8 2 points How does a scientific theory differ from a scientific hypothesis? Hypotheses are well supported by experimental data; theories are ideas that haven't been tested yet. Confirmed theories become scientific laws; hypotheses become theories. Hypotheses are usually an explanation for a more general phenomenon; theories typically address more specific issues. Theories are usually an explanation for a more general phenomenon; hypotheses typically address more specific issues. Theories are proposed to test scientific hypotheses. Clear my selection Previous Next

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Text: Complete implementing the following barrier algorithms in a single MPI program. Use output messages printed by the master process to indicate the beginning and ending of each barrier algorithm. Implement the tree barrier algorithm. Note that the barrier algorithm has separate arrival and departure phases. The output messages printed by the master process must clearly mark each important time point. 2. Implement the butterfly barrier described in Section 6.1.4. Note that in the butterfly barrier, the arrival phase and departure phase are merged into one phase. 3. Investigate the time taken by each of your barrier algorithms by using the timing functions, e.g.: t1 = MPI_Wtime(); butterfly_barrier(); // or tree_barrier() - call to your tree and butterfly barrier algorithms. t2 = MPI_Wtime(); printf("Elapsed time = %d seconds ", t2-t1); Please note that timing is only taken by the master process. The master process should print out the timing information of each barrier algorithm on display. You can assume the number of processes is a power of 2, e.g., 2, 4, 8, 16, etc. The only MPI routines you can use in your codes are MPI_send, MPI_recv, MPI_sendrecv, or their asynchronous variants. Please submit in one source code C after the last step and screenshot the output.

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A 2.7 m by 2.7 m thin plate is used as target practice at a firing range where participants are shooting for sport. If the plate has a mass of $m_{plate} = 30$ kg and is pinned at point O, determine the angular velocity of the plate just after a 5 g bullet, shot at a velocity of $v_{bullet} = 380 \frac{m}{s}$, is embedded in it. The bullet hits a vertical distance $h = 2.35$ m away from point O. $\omega_{plate} = \boxed{\text{ }}$ rad/s CCW

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Give 2 reasons why an antimicrobial drug would be given (route of administration) via intravenous fluid.

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X Company acquired 100 percent of Y Company's outstanding common stock for cash. Selected balance sheet data at December 31, 2009, are as follows: X Y Liabilities $144,000 $72,000 Common Stock $120,000 $60,000 Retained $240,000 $84,000 Earnings Total $504,000 $216,000 Based on the preceding information, what amount will X Company report as common stock outstanding in its consolidated balance sheet at December 31, 2009? a. $120,000 b. $156,000 c. $180,000 d. $264,000

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What determines the highest energy of x-ray photons emitted from an x-ray tube? What factors determine the spectrum of the photons that reach the patient? What is beam hardening?

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You have just turned 21 and start to make plans for your future retirement (it is never too early). You would like to retire at 55 and enjoy the life. To do so, you understand that you have to plan to start saving ASAP. You want to be able to withdraw $24,000 annually starting with your 56th birthday and ending with your 75th birthday, when the last pension payment should exhaust you savings account. You plan to invest your money in the local credit union, at an interest rate of 5% per year. 1. Consider that you save equal amounts annually starting with your 22nd birthday and ending with your 55th birthday. What is the annual amount you should save to be able to make the desired withdrawals at your retirement? 2. Now suppose that you make the annual savings found in part a) until your 35th birthday. On your 35th birthday you inherit a large sum of money that allows you to make a lump sum deposit instead of the remaining annual savings. How much money should you save at this moment (at 35) instead of the remaining annual savings (between 35 and 55) to make sure that you will have the necessary savings for your retirement?

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