Question

(Figure 1) is the energy bar chart for a firefighter sliding down a fire pole from the second floor to the ground. Let the system consist of the firefighter, the pole, and the earth. E (J) 4 Part A What is the bar height of $U_{gf}$? Express your answer in joules as an integer. $U_{gf} =$ 2 ? ? $K_i + U_{gi} = K_f + U_{gf} + \Delta E_{th}$ Part B What is the bar height of $K_f$? Express your answer in joules as an integer. $K_f = $

          (Figure 1) is the energy bar chart for a firefighter sliding down a fire
pole from the second floor to the ground. Let the system consist of
the firefighter, the pole, and the earth.
E (J)
4
Part A
What is the bar height of $U_{gf}$?
Express your answer in joules as an integer.
$U_{gf} =$
2
? ?
$K_i + U_{gi} = K_f + U_{gf} + \Delta E_{th}$
Part B
What is the bar height of $K_f$?
Express your answer in joules as an integer.
$K_f = $

(Figure 1) is the energy bar chart for a firefighter sliding down a fire
pole from the second floor to the ground. Let the system consist of
the firefighter, the pole, and the earth.
E (J)
4
Part A
What is the bar height of Ugf?
Express your answer in joules as an integer.
Ugf =
2
? ?
Ki + Ugi = Kf + Ugf + Δ Eth
Part B
What is the bar height of Kf?
Express your answer in joules as an integer.
Kf =

Added by Martin F.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Supratim Pal

01/14/2024

Step 1

Step 1: The total energy at the initial state is equal to the total energy at the final state. Show more…

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(Figure 1) is the energy bar chart for a firefighter sliding down a fire pole from the second floor to the ground. Let the system consist of the firefighter, the pole, and the earth. E (J) 4 Part A What is the bar height of UGr? Express your answer in joules as an integer. UGE = ΑΣΦ? J 2- 오 + = ? + ?+ Ki+Uoi K+Ugr+ Eh Submit Request Answer Part B What is the bar height of Ke? Express your answer in joules as an integer. 1 ΑΣΦ? K = J Submit Request Answer Provide Feedback