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A plastic sphere is pushed down and held below the surface of bathtub water. A light string is attached to the sphere and a scale. The sphere has a volume of .785 m^3 and the scale reads 83 kg.
a) Calculate the buoyant force exerted by the water on the sphere, b) What is the real mass of the sphere, c) The string breaks and the sphere rises to the surface and comes to rest, what fraction of its volume is submerged?
For each part of the following, state any assumptions used and show mathmatical dereviation before using values. determine the rotential inertia of a yo-yo about it's center
Three deer, A, B, and C, are grazing in a field. Deer B is located 64.4 m from deer A at an angle of 53.8 ° north of west. Deer C is located 76.2 ° north of east relative to deer A. The distance between deer B and C is 96.8 m. What is the distance be..
A 50.0-gram ball consists of a plastic spherical shell and a water-filled core. Evaluate what is the density of the plastic
If 18.75 mol of helium gas is at 10.0*C and a gauge pressure of0.350 atm. calculate the volume of the helium gas under these conditions
For a typical rubber-on-concrete friction, what is the shortest time in which a car could accelerate from 0 to 50 mph? Suppose that us=1.00 uk=0.80 and ur=0.002
Supply Suppose the supply of x units of a product at price p dollars per unit is given by p = 10 + 5 ln (3x + 1).
charge Q is placed at a vertex of a cube with side length, what is the electric flux through each face of the cube
consider a horizontal parallel plate capactor where the size of the plates is much larger than the spacing between the
A convex spherical mirror has a radius of curvature of 10.0, Calculate the location of the image formed by an 8.00-mm-tall object whose distance from the mirror is 10.0 cm .
Two automobiles are equipped with the same single-frequency horn.When one is at rest and the other is moving toward an observer at15.6 m/s, a beat frequency of 5.52 Hz is heard. What is thefrequency the horns emit? Assume T = 20°C .
It is desired that 8.5C of charge be stored on each plate of a 4.5 -F capacitor. What potential difference is needed between the plates?
According to Fennelly (2013), the term standard means a document published by a recognized standards body to specify requirements and an approach to a specific.
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