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Physics, 22.06.2019 12:30, lmolder1329

Consider a 1000 w iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-t6 (ρ = 2770 kg/m3 and cp = 875 j/kg°c). the base plate has a surface area of 0.03 m2. initially, the iron is in thermal equilibrium with the ambient air at 22°c. assuming 90% of the heat generated in the resistance wires is transferred to the plate, determine the minimum time needed for the plate temperature to reach 200°c.

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Physics, 22.06.2019 22:00, kevo2024

In the united states, tornadoes generally occur because of the freezing of ocean water underwater earthquakes meeting of cool and warm air masses shifting of warm and cool ocean currents

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Physics, 22.06.2019 23:40, ltawiah8393

Acar jack with a mechanical advantage of 6 needs to produce an output force of 600 n to raise a car. what input force is required? 6 n 100 n 600 n 3,600 n

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Physics, 23.06.2019 01:00, ryanbasdao

2. circled insects have mutations, or changes to their dna. how many of the offspring insects in this generation have mutations?

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