Question

Mention some uses of velocity time graph

Answer 1

Velocity - Time graph graph is useful in calculating the distance travelled
calculating  displacement covered
calculating acceleration and
Nature of the motion

if you like my answer please add me in brilliant list

Answer 2

From a velocity-time graph, we can find out
(i) The velocity of a body at any instant.
(ii) The acceleration of the body and
(iii) The net displacement of the body in a given time-interval.