Question

calculate the time period of simple pendulum whose lenght is 0.84m and g is 9.8m|s

Answer 1

u know the T=2Π √l/g
=2*3.14*√8.4/98
=6.28*√84/980
=6.28*√0.0857
=0.269

Answer 2

t=2π√(l/g) =2π*√(.84/9.8)=1.8395 s