Physics, 15.07.2021 14:00 emilyturchon
Consider an iceberg weighing 4500kg. The ice-berg is partially submerged in the ocean. The densities for both the ocean and ice-berg are 1030 and 890kg/m^3, respectively. If each penguin has a mass of 120kg, determine the minimum number of penguins that can sink the iceberg
Answers: 1
Physics, 22.06.2019 18:10
A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.
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Physics, 22.06.2019 19:30
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
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Physics, 22.06.2019 22:30
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Physics, 23.06.2019 14:30
Two atoms with different mass number but the same atomic number are called a) elements. b) ions. c) isotopes. d) nuclei.
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Consider an iceberg weighing 4500kg. The ice-berg is partially submerged in the ocean. The densities...
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