A tap supplies water at 30 C while another supp... - WAEC Physics 1994 Question
A tap supplies water at 30°C while another supplies at 86°C. If a man wishes to bath with water at 44°C, calculate the ratio of mass of hot water to that of cold water required
A
1:3
B
3:1
C
3:7
D
7:3
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Correct Option: A
(M_Hc\theta_{H} = M_cc\theta_c)
(M_h(86-44) = M_c(44-30)) thus giving 1:3
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