Physics

Physics

Problem

Water at

90^{\circ}\text{C}

is kept in a room maintained at

25^{\circ}\text{C}

. If the cooling constant is

k=0.04\,\text{min}^{-1}

, find the temperature (in

^{\circ}\text{C}

) of the water after

10

minutes. a)

60.0

b)

46.4

c)

68.6

d)

25.0

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