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A burner supp...

Question

A burner supplies heat energy at the rate of 40J per second. Find the specific capacity of a solid of mass 20gm if it's temperature rises by 40 celcius in 1 minutw

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Solution

Dear student,
$Q = m c ∆ t ∆ t i s t h e c h a n g e i n t e m p e r a t u r e H e r e h e a t i s s u p p l i e d a t 40 J / s f o r o n e m i n u t e S o Q = 40 \times 60 J 40 \times 60 = 20 \times c \times 40 o r c = 3 J / g m {}^{0}C$

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