Tolong dijawab besok dikumpul
Air panas sebanyak 2kg dituangkan kedalam ember yg berisi air dingin sebanyak 18kg,kemudian dicampur.suhu air bak mandi 25°c dan suhu air panas 95°c . Berapakah suhu air campuran
Air panas sebanyak 2kg dituangkan kedalam ember yg berisi air dingin sebanyak 18kg,kemudian dicampur.suhu air bak mandi 25°c dan suhu air panas 95°c . Berapakah suhu air campuran
Verified answer
M1 = 2 kgm2 = 18 kg
t1 = 25 C
t2 = 95 C
tc?
penyelesaian:
m2 × (t2 - tc) = m1 × (tc - t1)
18 × (95 - tc) = 2 × (tc - 25)
1710 × (-18tc) = 2tc × (-50)
1710 + 50 = 2tc + 18tc
1660 = 20tc
tc = 1660 / 20
tc = 83 derajat celcius