Ֆիզիկա

m=1կգ=0.001

t=1oC

c=38 o ՋԿգoc

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Q-?

Q=cmt=381Ջ/Կգ*0,001կգ,1co

վարժ. 2

m=250g=0.25

t=1

c=380

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Q=?

Q=cmt=0.25*1*380=95

Պատ.՝3

m=250=0,25

t1=2oc

c=380

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Q=cm(t1-t2)=380*0,25(620-2oc)=57000

m=0,25

t1=2oc

t2=21oC

c=420

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Q=?

Q=cm(t2-t1)=4200*0,5=(21oC-2OC=4200*0,5*1=2100

Պատ.՝2.1Կջ

m=50=0.05

t1=2oc

t2=7oC

c=920

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Q=cm(t2-t1)=0.5*920(70oC-20oC)=2300=2.3