Answer:
Subtract the kinetic energy at the bottom from the potential energy loss. The remainder becomes frictional heat.
Potential energy loss:
M g H = 21.7*9.81*3.5 = 745.1 J
Kinetic energy at bottom of slide:
= (1/2) M v^2 = 52.5 J
Frictional heat generates when two surfaces slide against each other. The heat generated due to the friction in the given process is 6.92.7 J.
This heat is generated when two surfaces slide against each other.
Potential energy :
[tex]U = m g h \\[/tex]
Put the values
[tex]U = 21.7\times 9.81\times 3.5 \\\\U = 745.1\rm \ J[/tex]
The Kinetic energy in the bottom:
[tex]K = \dfrac 12m v^2 \\\\K = 52.5 J[/tex]
So the friction heat,
[tex]H_f = U- K\\\\H_f = 745.2 - 52.5 \\\\H_f = 692.7 \rm J[/tex]
Therefore, the heat generated due to the friction in the given process is 6.92.7 J.
learn more about frictional heat.
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