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A horizontal fire hose with a nozzle of ...

A horizontal fire hose with a nozzle of cross-sectional area `5/sqrt(21) xx 10^(-3)m^(2)` delivers a cubic metre of water in 10s. What will be the maximum possible increase in the temperature of water while it hits a rigid wall (neglecting the effect of gravity) ?

A

`1^(@) C`

B

`0.1^(@) C`

C

`10^(@)` C

D

`0.01^(@)` C

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