Ace - AI Tutor
Ask Our Educators
Textbooks
My Library
Flashcards
Scribe - AI Notes
Notes & Exams
Download App
wendy rivas

wendy r.

Divider

Questions asked

BEST MATCH

For the composite shaft shown in figure, the allowable shearing stress in the brass jacket is 18MPa and 44MPa in the steel core. Determine (a) largest torque that can be applied to the shaft, (b) corresponding angle of twist of $B$ relative to $A$. ($G_{brass} = 35GPa$, $G_{steel} = 75GPa$)

View Answer
divider
BEST MATCH

what does the release of earnings announcements have in common with the release of economic indicators? both are typically released on a quarterly basis

View Answer
divider
BEST MATCH

Suppose we know that the last two digits of a number are 24. Use appropriate divisibility tests to select all the statements that we know \"must\" be true. divisible by 9 divisible by 4 divisible by 5 divisible by 3 divisible by 10 divisible by 2

View Answer
divider
BEST MATCH

5. Explain why vinyl acetate undergoes nucleophilic acyl substitution reactions with a given nucleophile at a faster rate than ethyl acetate. Make sure to discuss the relative contributions of resonance and the inductive effect as part of your answer. H$_3$COCH$_3$ ethyl acetate H$_3$C vinyl acetate

View Answer
divider
BEST MATCH

Which of these events happens before meiosis begins? The nuclear envelope disintegrates. Chromosomes are replicated. Homologous chromosomes line up in the middle of the cell. One cell separates into two daughter cells.

View Answer
divider
BEST MATCH

For short-term memory of visual items, how does it compare to short-term memory for written items? O Less O More O Same O None

View Answer
divider
BEST MATCH

Using the information below to create the initial simplex matrix. Assume all variables are nonnegative. Maximize $f = 8x_1 + 9x_2 + 4x_3$ subject to $8x_1 + 2x_2 + 3x_3 \le 60$ $3x_1 + 4x_2 + 11x_3 \le 65$ $5x_1 + 11x_2 + 8x_3 \le 50$ $x_1 \ge 0$ $x_2 \ge 0$ $x_3 \ge 0$

View Answer
divider
BEST MATCH

Question 1 - You must answer this question. Below you will find 8 multiple choice questions. Show your working (if any) and state your answer clearly in the answer booklet Do not write your answers on this exam paper. 1) If (s + 4)(s + 5) the steady state error is, E(s= s(s2 + 3s + 2) a)10 b) 0 c) 0.1 (p (3 marks) 2) If s3 + 2s2 the steady state error is, E(s) = s3(s3 + 4s2 + 5s + 1) a) 0.5 b) c) 0 d) 2 (3 marks) 3) If s2 + 3s + 4 the ess = 0.05, the value of K is ... (3 marks) Es=- S(Z + S)+ zS + S a) 375 b) 3.75 c) 37.5 d) 0.375 (+ 9s Represents .. (3 marks) a) First order system. b) Second order system. c) Third order system. d) All of the above. 5) Final value theorem is useful to find, a) Steady state error. b) Steady state response. c) The final value of output. d) All of the above. (9 The transfer function is defined for a) linear and time-variant system b) linear and time-invariant system c) non-linear and time-variant system d)non-linear and time-invariant system e) all of these. (3 marks) (3 marks)

View Answer
divider
BEST MATCH

1. Diversity and Difference in Practice: The concept of family incorporates many viable family configurations beyond the composition of the nuclear family. What strengths and challenges do blended families, single-parent families, gay and lesbian families, multigenerational families, and grandparent-headed families experience?

View Answer
divider
BEST MATCH

Are you an organized person? • If yes, give examples of ways that you are organized. Did you have to learn to be organized, or have you always been organized? Do you think this helps you in life? • If no, describe ways that you are unorganized. Do you think it is a problem that you are unorganized? Do you want to change this?

View Answer
divider