A body starts from rest and moves along the x-axis with constant acceleration 5 ms for 8 seconds.
If it then continues with constant velocity, what distance will the body cover in 12 seconds since it started from the rest?
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1sec is 5 m
2sec is 10m +5m
3sec is 15 +15 m
4sec is 20+30
5sec is 25+50
6sec is 30+75
7sec is 35+105
8sec is 40+110
so at 9 sec speed will be 150m/s and by then distance covered will be570m
now next distance covered from 9 to 12 sec
4*150=600m
so
570+600=1170m
2sec is 10m +5m
3sec is 15 +15 m
4sec is 20+30
5sec is 25+50
6sec is 30+75
7sec is 35+105
8sec is 40+110
so at 9 sec speed will be 150m/s and by then distance covered will be570m
now next distance covered from 9 to 12 sec
4*150=600m
so
570+600=1170m
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