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A solid copper sphere of volume 0.5 m^3 is dropped into the ocean, where it goes down to a depth of 2000 meters. Calculate : a) the pressure at this depth b) the change in volume of the sphere do to the pressure GIVEN : density of copper = 8.9*10^3 kg/m^3 youngs modulus = 11*10^10 N/m^2 Density of sea water = 1.013*10^3 kg/m^3 Bulk modulus = 14*10^10 N/m^2
A face appears in a convex mirror; face is 75% its normal size and appears to be 24cm behind the mirror. How far was the face standing from the mirror
Our balance is maintained, at least in part, by the endolymph fluid in the inner ear. Spinning displaces this fluid, causing dizziness. What is the linear speed of the blade tip
A 5.8 box is on a frictionless 39 slope and is connected via a massless string over a massless, frictionless pulley to a hanging 1.9 weight. Illustrate what is the tension in the string once the box begins to move?
Calculate the absoute pressure at the bottom of a fresh-water lake at a depth of 28.9 m. Assume the density of the water is 1.00x10^3 kg/m^3 and the air above is at a pressure of 101.3 kPa
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 46.0 cm. What is the value of the acceleration of gravity on this planet
A .41m copper rod w/ mass .17 kg carries a current of 13A in the positive x direction. Let upward be the positive y direction. What is the magnitude of the minimum magnetic field
Jack and Jill exercise in a 25.0-m-long swimming pool. Find the average velocity and average speed of each swimmer
A 0.14-kg pinecone falls 16 m to the ground, where it lands with a speed of 13 m/s. What was the average force of air resistance exerted on the pinecone
A 16-QAM modulator with 2 voltage levels uses maps the symbols on equal phases on both voltage levels. Draw the signal space (constellation) for your assumed phase angles.
A transverse traveling wave on a cord is represented by D = 0.25 sin (6.8x + 28t), Determine maximum and minimum speeds of particles of the cord
A block of wood, with density 780 kg/m3 has a cubic shape with wides 0.330 m long. A rope of negligible mass is used to tie a piece of lead to the bottom of the wood. What is the mass of the lead
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 11.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) Imagine adding electrons to the pin until the negative charge ha..
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