Test Academy | A particle is moving eastwards with velocity of 5 m/s. In 10 sec the velocity changes to 5 m/s northwards. The average acceleration in this time is Zero, 1/√2 m/s² toward north-west, 1/√2 m/s² toward north-east, 1/2 m/s² toward north-west

Question

A particle is moving eastwards with velocity of 5 m/s. In 10 sec the velocity changes to 5 m/s northwards. The average acceleration in this time is

Options :