Physics-
General
Easy
Question
Velocity-time (v-t) graph for a moving object is shown in the figure. Total displacement of the object during the time interval when there is non-zero acceleration and retardation is
- 60 m
- 50 m
- 30 m
- 40 m
The correct answer is: 50 m
Between time interval 20 sec to 40 sec, there is non-zero acceleration and retardation. Hence distance travelled during this interval
= Area between time interval 20 sec to 40 sec
= 
= 30 + 20 = 50 m.
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