How much work is done against friction
A 18.0-N weight slides down a rough inclined plane which makes an angle of 29.0 with the horizontal. The weight starts from rest and gains a speed of 15.0 m/s after sliding 150 m. How much work is done against friction?
A 1100
B 1500
C -1500
D 229
Expected delivery within 24 Hours
Develop a double pipe heat exchanger, specifying velocities, mass flowrates, length and inlet and outlet temperatures. Also calculate the pressure drop for each fluid.
Pan usually drives to school. The driving time is between 10 to 20 minutes depending on how many red lights he encounters on the way. There are two traffic lights on his way to school.
2 kg of stainless steel (aka "Iron, 304") is forged at 1150 C, and then cooled by immersing the steel in 5 kg of water at atmospheric pressure and 20 C.What is the change in total entropy.
It has been reported that 48% of people text and drive. A random sample of 60 drivers is drawn. Find the probability that the proportion of people in the sample who text and drive is less than 0.489. Round to four decimal places.
The 14C isotope, like all radioactive isotopes, decaysvia first order kinetics. It has a half life of 5730 years. Adocument believed to 2000 years old was analyzed and was determined that 84.4% of the original carbon - 14 remained.
City of West Lafayette needs to perform some road maintenance and will rent excavator machines from a company. Each excavator will work at least 1 hour, but no more than 4 hours at a time. It is known that the working time of each excavator is eve
At a certain college, 50% of all students take advantage of free tutoring services. A sample of 36 students is selected. What is the probability that the proportion of students who take advantage of free tutoring services in the sample is between
By how much does the ball clear or fall short of clearing the crossbar?
1941326
Questions Asked
3,689
Active Tutors
1449386
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question 1: Describe how natural selection is part of population genetics among the Southwestern Athabaskan Amerindians
Keegan, an 8 -year-old, no longer thinks a row of pennies in front of him contains more pennies than a row of the same number of pennies
Humans, horses, porpoises, and bats all have very different forelimbs, but the bones inside them show similar shapes, positions, and development,
Question: In addition to natural selection, four other forces can drive evolutionary change. Which of these is NOT one of them?
Question: Which of these are pre-zygotic isolating mechanisms? (Select all that apply.)
Question: According to the reading, how many recognized fuel models are used for fire behavior (documented by Albini 1976)?
Question: Which of the following could explain why a particular prey item was captured/consumed at a higher rate?