A train starts from rest with an acceleration a and describes the distances s2, s3 and s4 in second, third and fourth seconds of its journey. The ratio of s2 : s3 : s4 will be
1
1 : 2 : 3
2
1 : 3 : 5
3
3 : 5 : 7
4
2 : 3 : 5
A train starts from rest with an acceleration a and describes the distances s2, s3 and s4 in second, third and fourth seconds of its journey. The ratio of s2 : s3 : s4 will be