Numerade

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2. A 10-mm steel drill rod was heat-treated and ground. The measured hardness was found to be 300 Brinell. Find the endurance strength in MPA if the rod is used in rotating bending. It is at room temperature, 99% reliable, and has an ultimate tensile strength of 1000 MPa.

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Two hundred 60GR Bullet B is fired into an 8600 pound SUVA which is initially moving to the left with a speed VA equals 15 mph if the bullet becomes embedded into the SUV how fast would the impact speed of the bullet VB need to be if the SUV is to be stopped cold

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A model is useful a. if it can explain some observations or events. b. only if it always makes perfect predictions. c. if it has been around for many years. d. if it is new.

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The answer above is NOT correct (1 point) Find the area of the region between the curves $y = x + 1$, $y = 6 - x^2$, $x = -1$, and $x = 2$. Area between curves = 49/6

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A 10,354 loan is to be amortized with quarterly installments of 1,035 for as long as necessary plus a smaller final payment one quarter after the last regular payment. Interest is computed at 10% convertible quarterly on the first 5,177 of outstanding balance and 7% convertible quarterly on any excess. Find the principal repaid in the fourth installment.

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Text: For the country of Italy, identify a product that you believe a firm can market there. Discuss the screening process and identify the sources of information you will use in the process.

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Suppose that on June 5, a Japanese Yen future contract is purchased at the ¥119 per dollar (opening price). The contract is for $1,000. The initial margin level is ¥17,000, and the maintenance level is ¥15,000. What is the value of the actual margin at the end of the date June 7, if the future price is ¥116 per dollar on June 6, and ¥115 per dollar on June 7? (ASSUMPTION: As the margin account reaches above the initial margin level, do not withdraw the amount above the initial margin level) a) ¥12,000 b) ¥15,000 c) ¥16,000 d) ¥13,000 e) ¥14,000

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Uliana Company wants to issue new 20-year bonds for some much-needed expansion projects. The company currently has 9.5 percent coupon bonds on the market that sell for $1,135, make semiannual payments, have a par value of $1,000, and mature in 20 years. What coupon rate should the company set on its new bonds if it wants them to sell at par? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16. Answer is complete but not entirely correct. Coupon rate 6.29%

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Calculate the electric flux for a Gaussian surface that contains 200 million electrons. The charge of an electron is $1.6 \times 10^{-19}$ C. a. 3.6 Nm²/C b. 4.1 Nm²/C c. 2.9 Nm²/C d. 2.1 Nm²/C

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Problem 4 Suppose $T \in \mathcal{L}(V)$ is invertible. (a) Suppose $\lambda \in \mathbb{F}$ and $\lambda \neq 0$. Prove that $\lambda$ is an eigenvalue of $T$ if and only if $\frac{1}{\lambda}$ is an eigenvalue of $T^{-1}$. (b) Prove that $T$ and $T^{-1}$ have the same eigenvectors.

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barbara m.