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A bowling ball of mass m and radius R is released so that at the instant it touches the floor it is moving horizontally with a speed v0 and is not rotating. It slides a distance s1 in time t1 before it begins to roll without slipping. If μk is the coefficient of kinetic friction between the ball and the floor, find s1, t1 and the final speed of the ball, v1. What is the ratio of the final kinetic energy to the initial kinetic energy of the ball?
Read the article you selected thoroughly and identify and critique the following:research design,sampling technique,threats to validity,measurements,ethical issues.
Evaluate, rank, and recommend the capital expenditures according to beneficial value to the organization, using evaluation tools NPV, payback, and IRR. Evaluation, ranking, and recommendations should be by category of expenditures.
Both trains are blowing their whistles (which have the same frequency), and one train is some distance behind the other. After the first train passes Jane but before the second train passes her, she hears beats of frequency 6.50 Hz. What is the fr..
You have already discussed a social problem during your Wiki Assignment for this week. It is now your turn to assimilate the information and write a paper on the problem selected by your group. Remember, each group member will write a paper on an ..
A +13 nC charge is located at (x,y)=(0cm,12cm) and a -4.0 nC charge is located at (x,y)=(6.0cm,0cm). Where would a -15nC charge need to be located in order that the electric field at the origin be zero?
Find the leading causes of death. You can find this information in the latest edition of Vital Statistics of the United States
Incorporate information from at least five peer-reviewed publications.Cite each outside source on a slide titled References.Format your presentation consistent with APA guidelines.Outline of populations most affected by the issues (Darnetta).
A potter's wheel with rotational inertia 6.92kg⋅m2 is rotating freely at 19.3 rpm. The potter drops a lump of clay onto the wheel, where it sticks 48.0 cm from the rotation axis. With the clay on the wheel, the wheel's rotation rate is 17.4 rpm. ..
Mary can hardly believe it! Graduation day has finally arrived. This is the day she has been waiting on, for four long years. Now, her hard work and dedication have paid off. Which job offers the best start for Mary
Analyze the effects of fiscal policy under fixed exchange rates system. Analyze the effects of monetary policy under fixed exchange rates system.
The magnetic field of a cylindrical magnet that has a pole-face diameter of 3.3 cm can be varied sinusoidally between 29.6 T, find the amplitude of the electric field induced by the variation
The front, convex, surface of a lens made for eyeglasses has a radius of curvature of 12.4cm, and the back, concave, Calculate the focal length of the lens
Coyote is on a rocket that has acceleration of 10m/s^2, initially at rest at the top of a flat, level cliff. A roadrunner traveling at a constant speed of 25mil/hr passes the coyote, How far ahead of the coyote is the roadrunner when the fuse ignit..
In designing a machine part, you need a spring that is 8.75cm long when no forces act on it and that will store 24.0J of energy when it is compressed by 1.40cm from its equilibrium position. What should be the force constant of this spring
two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. How far should Rhoda compress the spring to score a direct hit
A horizontal magnetic field of 1.0x10^(-4) T is at an angle of 30 degrees to the direction of the current in a straight wire 75 cm long, what is the magnitude of the force on the wires
John and Mary are skating at an ice rink. John skates at a constant speed of 7.3 m/s, What are the magnitude and direction of Mary's velocity with respect to John
A 4.5 kg mass is fastened to a light spring, with the intervening cord passing over a pulley, find the change in gravitational potential energy of the of the mass
A converging lens (f = 12.9 cm) is located 28.5 cm to the left of a diverging lens (f = -5.52 cm). Find the overall magnification
An ideal gas is enclosed in a cylinder that has a moveable pistonon top. The piston has a mass of 3900 gand an area of 7.00 cm2 and isfree to slide up and down, keeping the pressure of the gasconstant. How much work is done on the gas as the temperat..
The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. Evaluate at what height above the surface of the earth does the balloon have a speed of 7.00 m/s? Enter a number.
A beam of hydrogen molecules (H2) is directed toward a wall, at an angle of 58° with the normal to the wall. What is the beam's pressure on the wall
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