Physics, 25.07.2021 21:00 JellalFernandes
Two objects A and B vertically thrown up with velocities 80m/s and 100m/s at two sec interval. where and when will they meet each other?
Answers: 2
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If a balloon is taken outside on a very cold day, what will occur?
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Atelevision set that has been running for a while heats up even the air around it. which two laws of thermodynamics could be used to analyze this scenario
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One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
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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.
Answers: 1
Two objects A and B vertically thrown up with velocities 80m/s and 100m/s at two sec interval. where...
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