Numerade

Questions asked

BEST MATCH

P.9.5 A long column has the cross-section shown in Fig. P.9.5. For the material of the column Young's modulus $E = 70,000 N/mm^2$, Poisson's ratio $v=0.3$ and the compressive yield stress is $500 N/mm^2$. Calculate the failure load for the column. Answer: 85158 N 1. 5 mm 1. 5 mm 1 2 4 30 mm 3 60 mm FIGURE P.9.5 Use n=0.6; $\alpha_1 = 0.8$ to calculate $\alpha$ and $m$: See equation 9.10 also m=2(1-n)

View Answer

BEST MATCH

Sheridan Company produces flash drives for computers, which it sells for $20 each. The variable cost to make each flash drive is $15. During April, 640 drives were sold. Fixed costs for April were $2 per unit for a total of $1280 for the month. What is the monthly break-even level of sales in dollars for Sheridan Company? ? $6400 O $256 ? $9600 ? $5120

View Answer

BEST MATCH

Question 10 1 pts The specific heat capacity of a substance determines how much energy it takes to make a certain amount of that substance melt or evaporate. O True O False

View Answer

BEST MATCH

Solution Let $A = \begin{bmatrix} 3 & 11 & 7 \\ 6 & 3 & 8 \\ 6 & 9 & 10 \end{bmatrix}$ and $I_{3 \times 3}$ be the $3 \times 3$ identity matrix. Find $AI$ and $IA$.

View Answer

BEST MATCH

EVOLUTION CONNECTION What cell structures best reveal evolutionary unity? Select all that apply. ribosomes chloroplasts structure of prokaryotic and eukaryotic flagella vacuoles biological membranes

View Answer

BEST MATCH

Where would you naturally find dietary fiber? a. milk b. whole grains c. oils d. meat Where would you naturally find dietary fiber? a.milk b.whole grains c.oils d.meat

View Answer

BEST MATCH

Find the domain of the following functions. Write the answer in interval notation. Note: If the answer includes more than one interval write the intervals separated by the \"union\" symbol, U. If needed enter ? as Inf and -? as -Inf. (A) \frac{1 - e^x}{-5} Domain:

View Answer

BEST MATCH

Sam wants to save $500 to buy a TV. He saves $17 each week. The amount, $A$ (in dollars), that he still needs after $w$ weeks is given by the following function. \(A(w) = 500 - 17w\ Answer the following questions. (a) How much money does Sam still need after 7 weeks? (b) If Sam still needs $211, how many weeks has he been saving? weeks

View Answer

BEST MATCH

Identify the inverse Laplace transform of the function $G(s) = \frac{s^2 + 4s + 5}{(s+3)(s^2 + 2s + 2)}$. $[0.4e^{-3t} - 0.6e^{-t}cos(t) + 0.8e^{-t}sin(t)]u(t)$ $[0.4e^{-3t} + 0.6e^{-t}cos(t) + 0.8e^{-t}sin(t)]u(t)$ $[0.4e^{-3t} - 0.6e^{-t}cos(t) - 0.8e^{-t}sin(t)]u(t)$ $[0.4e^{-3t} + 0.6e^{-t}cos(t) - 0.8e^{-t}sin(t)]u(t)$

View Answer

BEST MATCH

10. For the network of fig. as shown below, assume $V_{cc} = 10 V$, $R_1 = 12 k\Omega$, $R_2 = 36 k\Omega$, $R_E = 540 \Omega$, $C_1 = 1 \mu F$, $C_2 = 10 \mu F$, and $\beta = 120$. Determine the following (a). $r_e$ (b). $Z_i$ (c). $Z_o$ (d). $A_v$ (e). $A_i$

View Answer

jennifer c.