A point mass starts moving in straight line with constant acceleration `a` from rest at `t=0`. At time `t=2s`, the acceleration changes the sign remaining the same in magnitude. The mass returns to the initial position at time `t=t_(0)` after start of motion. Here `t_(0)` isA. `4s`B. `(4+2sqrt(2))s`C. `(2+2sqrt(2))s`D. `(4+4sqrt(2))s`

A point mass starts moving in straight line with constant acceleration

1.	A point mass starts moving in straight line with constant acceleration `a` from rest at `t=0`. At time `t=2s`, the acceleration changes the sign remaining the same in magnitude. The mass returns to the initial position at time `t=t_(0)` after start of motion. Here `t_(0)` isA. `4s`B. `(4+2sqrt(2))s`C. `(2+2sqrt(2))s`D. `(4+4sqrt(2))s`
Answer» Correct Answer - B

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