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The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius rh = 0.315 meter and mass 5.65 kilogram, and two thin crossed rods of mass 9.09 kilogram each. You would like to replace the wheels with uniform disks that are 0.0525 meter thick, made out of a material with a density of 5990 kilograms per cubic meter. If the new wheel is to have the similar moment of inertia about its center as the old wheel about its center, evaluate what should the radius of the disk be?
A light string can support a stationary hanging load of 27.0 kg before breaking. What range of speeds can the object have before the string breaks
The most abundant isotope of lithium, Li-7, contains three protons and four neutrons and has a mass of 7.01600 u. What is the mass defect for this nucleus in atomic mass units
A horse ran the Kentucky Derby with times of 25.2 s, 24.0 s, 23.8s, and 23.0 s for the quarter mile. Discover his average speed through each quarter-mile segment.
Long-playing vinyl records, still used by club DJs, are 12 inches in diameter and are played at 33 1/3 revolutions per minute. What is the speed (in m/s) of a point on the edge on such a record
a boat has a mass of 6800 kg. its engines generate a drive force of 4100 n due west while the wind exerts a force of
A 10.0 gram bullet is fired into and embeds itself in a 1.75 kilogram block attached to a spring with a spring constant of 23.0 N/m and whose mass is negligible. Obtain how far is the spring compressed
A listener increases his distance from a sound source by a factor of 3.05, what is the change in the sound intensity level in dB
A Camper dives from the edge of a swimming pool at water level with a speed of 8.0m/s at an angle of 30.0 degrees above the horizontal. How far out in the pool (range) does the diver land
Helium-neon laser light (λ = 632.8 nm) is sent during a 0.290 mm wide single slit. What is the width of the central maximum on a screen 2.00 m from the slit? A screen is placed 48.0 cm from a single slit, which is illuminated by light of wavelength 6..
A rock weighing 7150 N rock with avolume of 34 L is completely submerged inmercury. The density of mercury is 13.6 kg/L. Determine the density of the rock
The figures show a hypothetical planetary system at two different times. The spatial coordinates (x, y) of the bodies are given in Astronomical Units (AU). Find the magnitude, dS, of the star\'s displacement
An ideal spring with a spring constant of 25.0 N/m is suspended vertically. A 1.00 kg object is attached to the unstretched spring and released. It then performs oscillations in the form of simple harmonic motions. Determine the magnitude of the o..
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