Question

. The motion of a moving train has been
depicted in Fig. 2.19. Find
(a) the average velocity of the train in time
OA
(b) the total distance covered by the train from
O to D.
(c) the uniform acceleration and retardation
of the train.​

Answer 1

Answer

Given total surface area of cube= 1350sqm

Let the side of the cube is s meter

Then the surface area of cube= 6s2

1350

sa = 225

=s= 15 m

Then side is 15 m

Then volume of cube rs3

(15)3 = 3375m3