Astick is a connection of two same -diameter metal rod 5 cm , and a length of both stick is 0,6m. the thermal conductivity of the first rod 92 cal /s. m.°c ,
and the second stick 50 cal / s. m.°c . the temperature at the free end of the first rod
100 °c and the free end of the second rod 0 °c , the temperature is kept constant .
determine heat transfer within 5 minutes .

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?