Asked by Blessing
A lead bullet travelling at 350km/s strikes a target and is brought to rest.What will be the rise in the temperature of the bullet if there is no heat loss to the surrounding
(SHC of Pb is 0.13J/k/kg and melting point of pb=600.5k)
(SHC of Pb is 0.13J/k/kg and melting point of pb=600.5k)
Answers
Answered by
Elena
v=350 km/h=350000/3600=97.2 m/s
c=130 J/kg•K
KE -> Q
mv²/2 =cmΔT
ΔT= v²/2c=97.2²/2• 130= 36.3 K
c=130 J/kg•K
KE -> Q
mv²/2 =cmΔT
ΔT= v²/2c=97.2²/2• 130= 36.3 K
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