A body of specific heat capacity 450J kg-1 K-1 falls to the ground from rest through a vertical height of 20m. Assuming conservation of energy, calculate the change in temperature of the body on striking the ground level. (g = 10ms-2)
-
A.
0oC -
B.
2/9oC -
C.
4/9oC -
D.
9/4oC -
E.
9/2oC