Respostas

  • Usuário do Brainly
2014-08-09T11:52:13-03:00
Ec= mv²/2
Ec = 6.100²/2
Ec = 3.10000
Ec = 30000 J
Ec = 7500 cal

Q=mcΔT
ΔT = Q/mc
ΔT = 7500/600.1
ΔT = 12,5 C
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2014-08-09T14:24:22-03:00
Ec = m * v² * 1/2
Ec = 6 * 100² * 1/2
Ec = 30000 J
Ec = 7500 calorias

Q = m * c * Δt
7500 =  600 * 1 * Δt
Δt = 12,5 ºC
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