52. Heat of a Campfire The heat experienced by a hiker at a campfire is proportional to the amount of wood on the fire and inversely proportional to the cube of his distance from the fire. If the hiker is 20 ft from the fire and someone dou- bles the amount of wood burning, how far from the fire would he have to be so that he feels the same heat as before?

Question

Heat of a Campfire The heat experienced by a hiker at a
campfire is proportional to the amount of wood on the fire
and inversely proportional to the cube of his distance from
the fire. If the hiker is 20 ft from the fire and someone doubles the amount of wood burning, how far from the fire
would he have to be so that he feels the same heat as
before?

52. Heat of a Campfire The heat experienced by a hiker at a
campfire is proportional to the amount of wood on the fire
and inversely proportional to the cube of his distance from
the fire. If the hiker is 20 ft from the fire and someone dou-
bles the amount of wood burning, how far from the fire
would he have to be so that he feels the same heat as
before?

Image Transcription

52. Heat of a Campfire The heat experienced by a hiker at a campfire is proportional to the amount of wood on the fire and inversely proportional to the cube of his distance from the fire. If the hiker is 20 ft from the fire and someone dou- bles the amount of wood burning, how far from the fire would he have to be so that he feels the same heat as before?

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