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Sagot :
The rise in temperature of the copper block after hitting the floor is 0.49°c
What is specific heat capacity?
The quantity of heat energy needed to raise a substance's temperature per unit of mass is known as specific heat capacity. A material's specific heat capacity is a physical characteristic. Since its value is inversely correlated with the size of the system under study, it is also an illustration of an extended feature.
What is law of conservation of energy?
Energy can only be transformed from one form to another. It cannot be created or destroyed.
How will this question be solved?
From the law of conservation of energy we know,
The potential energy of the block= cmΔT
mgh= cmΔT
m×9.8×20= 400×m×ΔT
196=400ΔT
ΔT=0.49°C
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