Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
On an old-fashioned rotating piano stool, a woman sits holding a pair of dumbbells at a distance of 0.565 m from the axis of rotation of the stool. She is given an angular velocity of 3.50 rad/s , after which she pulls the dumbbells in until they are only 0.170 m distant from the axis. The woman's moment of inertia about the axis of rotation is 5.40 kg*m^2 and may be considered constant. Each dumbbell has a mass of 4.90 kg and may be considered a point mass. Neglect friction.
A. What is the initial angular momentum of the system?
B. What is the angular velocity of the system after the dumbbells are pulled in toward the axis?
C. Compute the kinetic energy of the system before the dumbbells are pulled in.
D. Compute the kinetic energy of the system after the dumbbells are pulled in.
A heat engine is composed of of a monatomic ideal gas which runs in the following cycle: At point A the pressure is 2.6 atm, What is the efficiency of this heat engine
What voltage must be applied to the 5.00 µF capacitor of a heart defibrillator to store 600 J in it, Find the amount of stored charge
a game show contestant won a prize by pushing a bowling ball 20 m using her nose.the amount of work done was 1470 j. how much force did the contestant exert on the ball
imagine that each person is about the same distance from the center of the field and can generate the same level of sound intensity. How many people are at game.
The Yaver-Bomber flies purely horizontally and constantly at 200 m/s relative to the ground. It does so an altitude of 1000 meters. How far away from the fig tree does the near the balloon land
A uniform linear charge density of 4.0nC/m is distributed along the entire x-axis. Determine the electric flux through this surface
A large gate weighing 145 N is supported by hinges at the top and bottom of the wooden frame, and is further supported by a wire. What is the sum of the vertical forces on the hinges
What is the terminal speed of a 5.6 kg spherical ball with a radius of 3.0 cm and a drag coefficient of 1.55? The density of the air through which the ball falls is 1.2 kg/m3
You're 6.0 m from one wall of a house. You want to toss a ball to your friend who is 6.0 m from the opposite wall. The throw and catch each occur 1.0 m above the ground. find minimum speed will allow the ball to clear the roof
Compare the difference between the insolation on the north and south faces in each session with the seasonal variation on each face. Ignore eccentricity and atmospheric absorption.
he string in a yo-yo is wound around an axle of radius 0.529 cm. The yo-yo has both rotational, What is the speed of the yo-yo when it reaches the distance of 1.50 m
The technique known as potassium-argon dating is used to date old lava flows and thus any fossilized skeletons found in them, What is the age of a piece of solidified lava with a 40Ar/40K ratio of 0.34
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd