Question

velocity =9 m/s acc.= -2m/s then find distance in 5th second​

Answer 1

Answer:

Explanation:

formulae is sn =u+a÷2(2n-1)

U=9, n=5, a=-2

so, 9+(-2)÷2×(2×5-1)

=9-9

=0

so the body will finally come to rest