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A 100 kg block is suspended from a string and immersed in water. The block has a volume of 0.02 m^3. The water density is 1000 kg/m^3. The top of the block has an area of .6 m^2 and is placed 5.0 cm below the surface of the water.
a) What is the pressure exerted by the water on the top and bottom of the block?
b) What is the force exerted by the water on the top and bottom of the block?
c) What is the buoyant force on the block?
d) What is the tension on the string?
A 300-kg load is hung on a wire of length 5.00 m, cross-sectional area 0.200 × 10-4 m2, and Young's modulus 8.00 × 1010 N/m2. What is increase in length of the wire
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A professor's office door is 0.95 wide, 2.2 high, 4 thick; has a mass of 22 , and pivots on frictionless hinges. A "door closer" is attached to door and the top of door frame. When the door is open and at rest, the door closer exerts a torque of 5..
Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 128 m/s, and along the bottom surface with a speed of 100 m/s
When a 5.5 cm long pencil is arranged perpendicular to a convex mirror's optical axis at a distance of 29 cm from the mirror, its image is 2.8 cm tall.
A 16.0L tank contains 0.430kg of helium at 16.0?C. The molar mass of helium is 4.00g/mol, How many moles of helium are in the tank
We wish to coat a piece of glass (n=1.5) with a thin film (n=1.42) so that a maximum amount of light will be transmitted, what is the minimum thickness of the film in millimeters
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