Figure (1.3) shows variation of S with t from time t1 to t2 for some given rectilinear motion

Slope= dS /dt =u.

**1.6.2 (t, v) Graph**

Figure (1.4) shows variation of v with t from time t1 to t2 for some given rectilinear motion.

Slope = dv /dt =a

Elemental area = v dt.

dS = v dt

**1.6.3 (t, a) Graph (Figure 1.5)**

**1.6.2 (t, v) Graph**

Figure (1.4) shows variation of v with t from time t1 to t2 for some given rectilinear motion.