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Physics, 22.06.2019 03:00
1. a net force of 100 newtonās is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of
Answers: 2
Physics, 22.06.2019 12:30
Consider a 1000 w iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-t6 (Ļ = 2770 kg/m3 and cp = 875 j/kgĀ°c). the base plate has a surface area of 0.03 m2. initially, the iron is in thermal equilibrium with the ambient air at 22Ā°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 200Ā°c.
Answers: 1
Physics, 22.06.2019 15:00
Give an example in which the electrical energy changes to light energy
Answers: 1
Which forces keep the bottle moving
round and round?...
round and round?...
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