Question

What is a Distance Time Graph ?

Answer 1

http://library.thinkquest.org/C0110840/dtgraph.htm
this helps u

Answer 2

where the gradient of the line gives you the speed as\[gradient=\frac{ y _{2}-y _{1} }{ x _{2}-x _{1} }=\frac{ distance }{ time }=speed\]

Answer 3

thats right