Q)
(chatquestion)...An aluminium rod of lenath 1 = 0.5 m is attached to the bottom of an iron rod of length
L= 1m as shown in figure. Find the decrease in height per unit change in temperature of
Fe
the centre of mass of both the rods. Assume that cross-sectional area of both the rods
are equal. Given : density of iron
7.86 g/cc, density of aluminium
4.4 g/c,
Al
= 11 x 10-6 per C and a
= 25 x 10 per°C
akıminium
...
