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karen heredia

karen h.

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A 4.0-kg block is pushed up a 36" incline by a force of magnitude P applied parallel to the incline. When P is 31 N, it is observed that the block moves up the incline with a constant speed. What value of P would be required to lower the block down the incline at a constant speed? 27 N 17 N 15 N 19N 13 N

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9. Knowing that interplanetary space consists of a vacuum, what is your evidence that electromagnetic waves can travel through a vacuum?

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15. The same day that this test was performed, John got in a car accident and needed to be given an IV drip. The IV tubing's drop factor is 20. gtt/mL and the drip rate has been set by the doctor at 33 gtt/min. If John needs to have the IV drip active for 8.0 hours, what volume of IV fluid will be needed?

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Under Wobble Rules, a Guanine base in the 5' end of an anticodon can pair with which of the following, in the 3' end of a codon.

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Use the solution to the cost minimization problem to solve the profit maximization problem of this firm, assuming that the firm operates under monopoly and the inverse demand function is p = 160 - B q Then do the following: If A = 2, r = 1, w = 4, F = 880 and B = 4 determine this firm's demand for labor L*. ? 64 ? 76 ? 128 ? 32

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Evaluate the indefinite integral.\\ $\int x^3 \sqrt{36 + x^2} dx = \boxed{} + C.$

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More Value purchases a new piece of machinery for $17,600 in 2015. The company also pays $1,000 for delivery, $900 for testing, and $700 related to permits for use. More Value expects for the machinery to last 4 years, with a $1,500 salvage value. Prepare schedule to show the depreciation expense over the life of the equipment using the double-declining balance method.

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Problem 1 (10 Points). Consider a causal LTI filter whose system function is: $H(z) = \frac{1/2}{1 - \frac{4}{5}z^{-1} + \frac{2}{3}z^{-2}} + \frac{1/2}{1 + \frac{1}{5}z^{-1}}$ Draw a canonical realization of the filter using a cascade structure. (1) Solution 1 (10 Points).

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Bond Investment (B) (15 polnts On April 12, 2011, LAM Technologies floated a $100 million bond issue. Each $1,000 bond entitled the bondholder to receive $40 every six months (October 12th and April 12th) until April 12, 2041, at which time the bondholder would receive the last $40 payment and the $1,000 maturity value. Required: If the market rate of interest was 10% (compounded semiannually) at the time the bonds were issued, at what price did a $1,000 bond sell? h If the market rate of interest had decreased to 6% (compounded semiannually) as of April 12, 2021, at what price would a $1,000 bond sell? What rate of return, expressed as an APR (Annual Percentage Rate), would a bondholder who purchased a bond on April 12, 2011, collected all of the semiannual payments through April 12, 2021, and then sold the bond on April 12, 2021, have earned over the holding period? Use the values from parts a and b as appropriate.

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Which of the following statements are true about tyrosine and tryptophan? (More than one answer may be correct. Choose all that apply) a.) both are precursors to neurotransmitters b.) one is also precursor to a hormone c.) neither are water soluble d.) both are catecholamines

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