Question

if a body starts from rest and travels 120 cm in the 6th second, then what is the acceleration.
a. 0.20 m/s
b. 0.027 m/s
c. 0.218 m/s
d. 0.03 m/s
plz tell me the method also .

Answer 1

s=ut+1/2a(2n-1)

=1/2×a(2n-1)

1.2=1/2×a(2×6-1)

2.4/11=a

a=0.218m/s^2

Answer 2

s=ut+1/2a(2n-1)

=1/2×a(2n-1)

1.2=1/2×a(2×6-1)

2.4/11=a

a=0.218m/s^2