Question

variation of a velocity of a particle moving along a straight line is shown in the figure given below the distance travelled by a particle in 5 second is

Answer 1

The distance covered is the area under the graph.

Area under the graph is a trapezium.
Therefore:

Area=(a+b) /2 × h

a=1 , b=5 , h=20

5+1=6

6/2=3

3×20=60m

The distance is thus 60 M.

Answer 2

the only thing that you need to mind is the conceptual formula of straight line object