Question

For the velocity time graph shown in figure below the distance covered by the body in last four seconds is

Answer 1

The distance covered in last 4 seconds is the part shown in the figure attached. To calculate that, we may assume this figure as a trapezium and take out the distance covered in time 4 seconds by calculating it's area.

Area of trapezium = 1/2(sum of parallel sides)(height)

= 1/2(4+2)(10)

= 1/2(6)(10)

= 3.10

= 30 m