Starting from rest, a 93-kg firefighter slides down a fire pole. The average frictional force exerted on him by the pole has a magnitude of 840 N, and his speed at the bottom of the pole is 3.6 m/s. How far did he slide down the pole? ho
Starting from rest, a 93-kg firefighter slides down a fire pole. The average frictional force exerted on him by the pole has a magnitude of 840 N, and his speed at the bottom of the pole is 3.6 m/s. How far did he slide down the pole? ho
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Transcribed Image Text:**Problem Statement:**
A 93-kg firefighter slides down a fire pole starting from rest. The average frictional force exerted on him by the pole has a magnitude of 840 N. By the time he reaches the bottom of the pole, his speed is 3.6 m/s. Determine the distance he slid down the pole.
**Diagram Explanation:**
- The diagram shows the firefighter at the top and bottom of the pole.
- At the top, he is positioned before beginning his slide, marked by height \( h_0 \).
- At the bottom, his speed is labeled as \( v_f = 3.6 \, \text{m/s} \).
**Variables:**
- Mass of the firefighter: 93 kg
- Frictional force: 840 N
- Final speed: 3.6 m/s
- Initial speed: 0 m/s (rest position)
- Height/sliding distance: \( h_0 \) (to be determined)
This problem involves concepts of energy transformations and dynamics, specifically considering gravitational potential energy, kinetic energy, and work done against friction.
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