Question 10 (1 point)\ An

83cm

long metal bar measures

6cm

by

3cm

. One end of the bar is exposed to a temperature of

121degC

and the other end end is exposed to

1degC

, Find the time in seconds that it will take for

20700J

of heat to travel through the rod. The metal has a thermal conductivity

(k)

of

420(W)/(mdegC)

.\ Your Answer:\ Answer

An 83cm long metal bar measures 6cm by 3cm. One end of the bar is exposed to temperature of 121degC and the other end end is exposed to 1degC, Find the time in seconds that it will take for 20700J of heat to travel through the rod. The metal has a thermal conductivity ( k ) of 420W/(mdegC ). Your