D) A metal piece of mass 25 kg at 80°C is dropped into 0.12 kg water at 20°С. Find the final temperature measured. Specific heat of metal is 504 J kg-1 K-1 .

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Electrical charge is measured in coulomb.(c). the amount of an electrical charge that moves in a circuit depends on the current flow and how long it flows for. a current of 10 a flows for 30 s,then 10 x=300 coulombs of electrical charge moves

Answerto determine which rock layer in a canyon wall formed first;