Question

Sove it.
${a}^{2} + {b}^{2} = {c}^{2}$
​

Answer 1

Answer:

The amount of heat required to raise the temperature of a substance is determined by the following equation:

Heat (J) = mass of substance (g) x heat capacity of substance (J/g.K) x the change in temperature (K).

In this case the heat required = 1000 x 0.45 x 10 = 4500 J or 4.5 kJ

Answer 2

Step-by-step explanation:

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${a}^{2} + {b}^{2} = {c}^{2}$

Let, a = 1

b = 2

c = 3

Now,

$( {1}^{2} ) + ( {2}^{2} ) = ( {3}^{2} )$

$= (1) + (4) = (9)$

$= ( \frac{9}{5} )$

$= 1.8$

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