Q.
A. S1 and S3 are inertial and S2 is non-inertial
B. S1 and S2 are non-inertial and S3 is inertial
C. S1 , S2 , S3 are non-inertial
D. S1 , S2 , S3 are inertial
E. None of the above
Correct choice: B
Explanation: