Crate dragged at constant velocity
A 45.0-kg crate is dragged at constant velocity 8.20-m across a horizontal floor with a rope making a 30 degree angle above the horizontal. The coefficient of kinetic friction is 0.250. Find the work done
a) by friction
b) by rope
Expected delivery within 24 Hours
An article in the Journal of Composite Materials (Vol 23, 1989, p. 1200) describes the effect of delamination on the natural frequency of beams made from composite laminates. Five such delaminated beams were subjected to loads, and the resulting f
What is the change in voltage of a test charge in going from negatively charged plate to the positively charged plate while the dielectric is between the two plates?
If the work output of the engine 1 is twice more than that of engine 2, determine a. the intermediate temperature b. the heat rejected to the cold sink c. the efficiency of each heat engine.
Suppose W is the energy transferred stretchinig a spring from 0 to 0.10 m. The amount of work done stretching the same spring from 0.10 m to 0.20 m is:
Hemoglobin contains .33% Fe by mass. A .200 g sample of hemoglobin is dissolved in water to give 10.0 ml of solution, which has an osmotic pressure of 5.5 torr at 25.0 degrees C. How many moles of Fe atoms are present in one mole of hemoglobin?
Steam at T1=600 degrees C, P1=15 MPa enters a reversible and adiabatic turbine at a flow rate of 300 kg/s. The steam exits at a temperature of T2=20 degrees.
If electricity of sufficient voltage is passed into a solution of potassium iodide in water, a reaction takes place in which elemental hydrogen gas and elemental iodine are produced, leaving a solution of potassium hydroxide. what is the unbalance
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.30 m/s at an angle of 23.0° below the horizontal. It strikes the ground 3.00 s later. Find the height from which the ball was thrown.
1922878
Questions Asked
3,689
Active Tutors
1452785
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: If the boundaries between the family and the outside world are too rigid, the result is Group of answer choices
: I have a consult for social services I have a 23 year old female and a 2 year old infant male who has come in toddler male
Bernie, in a very early session of a counseling group, expresses emotions ranging from fear to anxiety, uncertainty to hope
Question: Which of the following is NOT assessed with a mental status exam?
Is a counselor doing harm by using intuition rather than using evidence-based practices and interventions?
Question: Based on theories of family interaction, KINSHIP NETWORKS can best be described as?
Question: One of the most important cultural values of the African-American family system is/are?