if a particle starts moving with acceleration 2m/s2 . what is th distance travelled by it in 5th half second ?

Here acc. is 2m/s^{2 }& 5^{th} half means 2.5 so

1/2a(2.5)^{2} - 1/2a(2)^{2}

=1/2 *2(6.25-4)

=2.25

Here acc. is 2m/s^{2 }& 5^{th} half means 2.5 so

1/2a(2.5)^{2} - 1/2a(2)^{2}

=1/2 *2(6.25-4)

=2.25

What are you looking for?