The velocity-time graph of an object is given below. Calculate the

The velocity-time graph of an object is given below. Calculate the average acceleration of the object in the time interval of 4 s to 6 s.

[@vikasyadav7821]

Thanks mam ji

[@bipashade6732]

The answer is correct but the process shown is wrong. At t= 4 s, v is not 8 m/s. The dotted line from 4 s and that from 8 s should have coincided then.