An Object starting from rest travels 20 m in first 2 sec and 160 m in next 4 sec. What will be the velocity after 7 sec from the start?
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Distance =160 m
Time=4sec
Velocity=Distance/Time
=160/4
=40m/sec
Distance=20m
Time=2sec
Velocity=Distance/time
=20/2
=10m/sec
Velocity in 6sec(4+2) =50m/sec(40+10)
Velocity in 1 sec =50/6
Velocity in 7 sec. =50/6×7
=58.3m/sec
Time=4sec
Velocity=Distance/Time
=160/4
=40m/sec
Distance=20m
Time=2sec
Velocity=Distance/time
=20/2
=10m/sec
Velocity in 6sec(4+2) =50m/sec(40+10)
Velocity in 1 sec =50/6
Velocity in 7 sec. =50/6×7
=58.3m/sec
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