What must be the length of bar if twisted through an angle
A 20 mm diameter steel bar is to be used as a torsion spring. If the torsional stress in the bar is not to exceed 100 MPa when one end is twisted through an angle of 15degree, what must be the length of the bar?
Expected delivery within 24 Hours
A hockey puck moving at 8.0 m/s coasts to a halt in 75m on a smooth ice surface. What s the coefficient of friction of friction between the ice and the puck?
Find conditional density function f(x|E) for the experiment of a number selected at random from the interval [0,1], given E, where E is the event that x > 4.
A sample has a mean of M=39.5 and a standard diviation of s=4.3, and produces a t statistic of t=2.14. For a two-tailed hypothesis test with a=.05, what is the correct statistical decision for this sample?
The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W = 58300 N. The lift force generated by the rotating blade makes an angle of 21.0° with respect to the vertical. Determi
If the torsional stress in the bar is not to exceed 100 MPa when one end is twisted through an angle of 15degree, what must be the length of the bar?
Can someone please check my answer for the following pdf, if its correct, can you then explain how I would get E(X) in this case; I under expected value in discrete case, but not continuous.
An RL series circuit has R = 79.0 Omega and L = 1.95 mH. The series combination is connected across a 170 V (rms), 59 Hz power supply. A Find the phase angle.?
The upper half of the container holds steam (of density 5kg/m^3) while the lower half contains water (of density 1000 kg/m^3). What fraction of the overall mass is steam?
An experiment was performed using HCl. We wrote down the molarity on the bottle and then used a pH meter to find the pH. From the pH we then calculated the [H+] (hydrogen ion concentration) from the pH that we measured.
1959608
Questions Asked
3,689
Active Tutors
1416214
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Problem: A psychiatric-mental health nurse approaches a new client sitting in the dayroom to establish a relationship.
The nurse educator is developing PowerPoint slides for an upcoming discussion with a group of students about learning styles.
Question: A nurse educator has been charged with developing an online course for nursing ethics.
Read the following operative report and assign the appropriate CPT code(s). Preoperative Diagnosis: Moderate dysplasia of the cervix Postoperative Diagnosis
Problem: When considering the macro- and micro-determinants of population health, select all true statements below:
Problem: Baby Boy James was born 1 hour ago with a vacuum-assisted delivery.
You are taking care of a resident with dementia who comes to the nurse's station throughout the day asking, "Where's my wife?", "Where's my room?"