
Lauren M.
asked 12/12/23Firefighter and Thermal Energy-Have the answer need help getting there!
A 65 kg firefighter, starting at rest on the upper floor, slides 6.0 m down a fire pole to the ground. If just before touching the ground, her speed is 2.0 m/s much energy went into thermal energy while sliding?
Answer: 3700 J
1 Expert Answer

Yefim S. answered 12/12/23
Math Tutor with Experience
Termal energy Q = mgh - mv2/2 = 65kg(9.81m/s2·6m - 4/2m2/s2) = 3695.9 J = 3670 J

Peter M.
12/18/23
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Peter M.
12/12/23