Question

( S_{6}=frac{1}{2} a(6)^{2} )
( S_{5}=frac{1}{2} a(5)^{2} )
( S_{6}-5_{5}=frac{1}{2} a(6)^{2}-frac{1}{2} a(r)^{2}=1.2 )
( 36 a-25 a=2.4 )
( 11 a=2.4 )
( a=frac{2.4}{11} )
( -0.218 mathrm{m} / mathrm{s}^{2} )

# If a body starts from rest and travels 120 cm in the 6th second, with constant acceleration then what is the acceleration : (A) 0.20 m/s2 (B) 0.027 m/s2 (C) 0.218 m/s2 (D) 0.03 m/s2

Solution