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a) A cube of wood whose edge is 12 mm is floating in a liquid in a glass with one of its faces parallel to the liquid surface. The density of wood is 909 kg/m^3, that of liquid is 1296 kg/m^3. How far hL below the liquid surface is the bottom face of the cube?
b) A light oil is gently poured onto the immiscible liquid surface to form a 2.9 mm thick layer above the liquid. The density of the oil is 606 kg/m^3. When the wood cube attains hydrostatic equilibrium again, what will be the distance from the top of the liquid to the bottom face of the cube?
c) Additional light oil is poured onto the liquid surface until the top surface of the oil coincides with the top surface of the wood cube (in hydrostatic equilibrium). How thick is the whole layer of the light oil?
you are on the moon and would like to send a probe into space so that it does not fall back to the surface of the moon. what launch speed do you need
During an all-night cram session, a student heats up a 0.836 liter (0.836 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. How much coffee (in cubic meters) has spilled out of the beaker
A thin spherical shell made of plastic carries a uniformly distributed negative charge -7e-10 coulombs (indicated as -Q1 in the diagram). Two large thin disks made of glass carry uniformly distributed positive and negative charges 1.7e-05 coulombs an..
Determine the position of the GPS satellite relative to and from the center of the earth and ratio of clock rates on a GPS clock in orbit and one on the surface of the earth.
Three long, straight, parallel wires all lie in the yz plane and each carries a current of 20 A in the positive z direction. The two outer wires are each 4.0 cm from the center wire. What is the magnitude of the magnetic force on a 50-cm length of ei..
A sample of lead has a mass of 45.00 kg and a density of 1.130 104 kg/m3 at 0°C. What is the mass of the sample of lead at 93.00°C
What is the rms speed in meters/second of nitrogen molecules contained in a volume of 4.0 m^3 at 2.4 atm, if the total amount of nitrogen is 1700 moles
A system has a heat source supplying heat at a rate of 187 W and is doing work at a rate of 130.899998 W. At what rate is the internal energy of the system changing.
Two identical diverging lenses are separated by 18 cm. The focal length of each lens is -8.0 cm. Determine the final image distance relative to the lens
A curve of radius 52.6 m is banked so that a car of mass 1.6 Mg traveling with uniform speed 55 km/hr can round the curve without relying on friction to keep it from slipping on the surface
q1. if a car travelling at 63 kmh will skid 18 m when its brakes lock how far will it skid if it is travelling at 150
Far in space, where gravity is negligible, a 485kg rocket traveling at 95.0m/s fires its engines. It shows the thrust force as a function of time. The mass lost by the rocket during these 30 s is negligible.
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