Question

7.
Find the length of a seconds' pendulum at a place
where g = 10 m s-2 (Take n = 3.14).
Ans. 1.0142 m​

Answer 1

Answer: T= 2π√l/g

2= 2π√l/g

l= g/π^2

=10/3.14^2

= 1.01

Explanation: