Answer:
3201.6π
Step-by-step explanation:
have a nice day!
Answer:
4,7025 (kJ).
Step-by-step explanation:
1) according to the condition: m=25 gr.; t₂=90; t₁=45; c=4.18 J/(g°C);
2) the formula of required heat is
Q=c*m*(t₂- t₁);
3) according to the formula of heat:
Q=4.18*25*45=4702.5 (J).
23.8 ft use Pythagorean and theorem
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37+24= 61
37-24= 13
answers: 37, 24
