WhiteMex69
01.02.2020 •
Physics
Asmall metal bar whose initial temperature was 20 degrees celsius is dropped into a large container of boiling water. how long will it take the bar to reach 90 degrees celsius if it is known that its temperature increases 2 degrees c in 1 second. how long will it ake the bar to reach 98 c?
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Ответ:
T ( t ) = C e k t + T m where Tm is the temperature of the surroundings
T ( t ) = C e k t + T m
T ( 0 ) = 20
T ( 1 ) = T ( 0 ) + 2 = 22
C + T m = 20 C+Tm=20
C e k + T m = 22
Ответ:
h=x-11/x
or
x=-11/h-1
Step-by-step explanation: