A particle moves towards east with velocity `5m//s`. After `10 seconds` its direction changes towards north with same Velocity. The average acceleration of the particle is

A particle is moving eastwards with a velocity of 5 ms_(-1) . In 10 seconds the velocity changes to 5 ms^(-1) northwards. The average acceleration in this time is

A particle is moving eastwards with a velocity of 5 ms_(-1) . In 10 seconds the velocity changes to 5 ms^(-1) northwards. The average acceleration in this time is

A particle moves in the direction of east for 2s with velocity of 15m/s .Then it moves towards north for 8s with a velocity of 5m/s . The average velocity of the particle is (in m/s)

A body is moving with velocity 30m//s towards east .After 10 seconds its velocity becomes 40m//s towards north .The average acceleration of the body is

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.