a 2kg mass of copper falls from a height of 3m to an insulated floor. what is the maximum possible temperature increase of the copper?​

Respuesta :

The maximum possible temperature increase of the copper is [tex]0.076^{\circ}C[/tex]

Explanation:

The energy gained by the mass of copper is equal to its change in gravitational potential energy, which is:

[tex]E=mg \Delta h[/tex]

where

m = 2 kg is the mass of copper

[tex]g=9.8 m/s^2[/tex] is the acceleration of gravity

[tex]\Delta h= 3m[/tex] is the change in height of the copper

Substituting,

[tex]E=(2)(9.8)(3)=58.8 J[/tex]

The energy gained by the copper is related to its change in temperature by

[tex]E=mC_s \Delta T[/tex]

where

m = 2 kg is the mass

[tex]C_s = 385 J/kg^{\circ}[/tex] is the copper specific heat capacity

[tex]\Delta T[/tex] is the change in temperature

And solving for [tex]\Delta T[/tex],

[tex]\Delta T = \frac{E}{mC_s}=\frac{58.8}{(2)(385)}=0.076^{\circ}C[/tex]

Learn more about specific heat capacity:

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