A lump of lead with a mass 0.5kg is dropped from a height of 20m onto a hard surface. It does not rebound but remains there for a long time.
A) what is the increase in heat
B)what is the increase in internal energy
C)what is the increase in temperature
What is the temperature change in the lead
immediately after the impact? [specific
heat capacity of lead = 128 kJ/kg K]
potential energy --> kinetic energy --> heat energy
energy = m g h (in Joules)
energy / specific heat = temp change
A) and B) look like the same thing ... energy
∆Q=100 J,potential energy =mgh=>∆Q
∆U= ∆Q
∆W=0
∆T=1.56 K
I need the right answer
0, 100, 0.0016
I need help
alump of lead with mass 0.50kg isdropped from aheight of 20m on to hard surface it does not rebound but remains there at rest for along period of time
A lump of lead with mass 0.50 kg is dropped
from a height of 20 m onto a hard surface. It
does not rebound but remains there at rest for
a ∆Q, (b) ∆W and (c) ∆U for the lead during
this process?long period of time.