Question

third equation of motion by graphical method

Answer 1

the are of trapezium ABDO nad of abdoe
1/2(DO+BE)×OE
S=1/2(u+v)×t. a =v-u/t} t=v-u/a
after substituting value
s =1/2u+v×v-u / a
s =1/2a(v+u )(v-u)
2as =(v+u)(v-u)
2as=v2-u2
v2 =u2+2as