Asmall piece of steel is tied to a block of wood. when the wood is placed in a tub of water with the steel on top, half of the block is submerged. if the block is inverted so that the steel is underwater, does the amount of the block submerged increase, decrease, or remain the same? (a) decreases (b) increases (c)remains the samewhat happens to the water level in the tub when the block is inverted? (a) remains the same (b)increases (c)decreases
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Physics, 21.06.2019 15:30
The process in which the nucleus of an atom splits into two lighter atoms, releasing a large amount of energy is nuclear
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Physics, 22.06.2019 21:20
Abeverage can is made of 3004-h19 aluminum alloy (elastic modulus 69 gpa, tensile yield strength 285 mpa, density 2.72 g/cm^3). the dimensions on the can are approximated as a thin-walled cylinder with a height of 4.83 inches, diameter of 2.60 inches. empty the can has a mass of 14.2 g. determine: a. the wall thickness of the cylinder b. assuming a pinned-pinned condition what is the critical load? c. assuming a fixed-fixed condition what is the critical load?
Answers: 1
Physics, 23.06.2019 00:20
You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 when the distance is 5 m. a. write an equation to model the situation. b. solve for the constant of variation. c. write the equation to model the situation using the constant () of variation. d. you have been given lanterns with 40 light intensity. use your equation to solve for the distance from the lantern. e. you need to illuminate 225 km. how many meters do you need to light? f. how many lanterns will you need?
Answers: 3
Asmall piece of steel is tied to a block of wood. when the wood is placed in a tub of water with the...
Mathematics, 18.11.2019 21:31