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

A particle is moving eastwards with a velocity of 5 m/s. In 10s the ve

1.	A particle is moving eastwards with a velocity of 5 m/s. In 10s the velocity changes to 5 m/s northwards. The average acceleration in this time is
Answer» zero `(1)/(SQRT2)m/s^(2)` towards north-west `(1)/(sqrt2)m/s^(2)` towards north-east `(1)/(2)m/s^(2)` towards north-west Solution :`veca= (dvecv)/(DT)=(5)/(10)(hatj-hati)` `a=(1)/(sqrt2)MS^(-2)`