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Category > Business & Finance Posted 21 May 2017 My Price 3.00

Boiling water at 1000 C is placed

Boiling water at 1000 C is placed in a room which has a temperature of 300 C. It takes 15 minutes for the water to reach a temperature of 700 C. When will the water temperature be at 400 C?

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SmartExpert
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Status NEW Posted 21 May 2017 06:05 AM My Price 3.00

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file 1495347953-w4.docx preview (124 words )
B-----------oil-----------ing----------- wa-----------ter----------- at----------- 10-----------00 -----------C i-----------s p-----------lac-----------ed -----------in -----------a r-----------oom----------- wh-----------ich----------- ha-----------s a----------- te-----------mpe-----------rat-----------ure----------- of----------- 30-----------0 C-----------. I-----------t t-----------ake-----------s 1-----------5 m-----------inu-----------tes----------- fo-----------r t-----------he -----------wat-----------er -----------to -----------rea-----------ch -----------a t-----------emp-----------era-----------tur-----------e o-----------f 7-----------00 -----------C. -----------Whe-----------n w-----------ill----------- th-----------e w-----------ate-----------r t-----------emp-----------era-----------tur-----------e b-----------e a-----------t 4-----------00 -----------C? ----------- An-----------sww-----------er ----------- In-----------tia-----------lly----------- te-----------mpr-----------etu-----------re -----------of -----------wat-----------er -----------T(0-----------) =----------- 10-----------00 -----------C a-----------nd -----------roo-----------m t-----------emp-----------ret-----------ure----------- Ta----------- = -----------300----------- C ----------- It----------- ta-----------kes----------- 15-----------min----------- fo-----------r w-----------ate-----------r t-----------o r-----------eac-----------h t-----------emp-----------ret-----------ure----------- of----------- 70-----------0 C----------- . ----------- T(-----------15)----------- = -----------700----------- ( -----------tem-----------pre-----------tur-----------e o-----------f w-----------ate-----------r a-----------fte-----------r 1-----------5 m-----------in)----------- N-----------ewt-----------on'-----------s l-----------aw -----------of -----------coo-----------lin-----------g -----------T(t-----------) =----------- Ta----------- +(-----------To------------Ta)----------- e^-----------(-k-----------t)
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