Question

A simple pendulum of length 1 has maximum angular displacement . Then maximum kinetic energy of a bob of mass m is
1
mg
o
mgf co
-mg cose
mgť (1-cos)
d
mg
1
mgl sin e
2​

Answer 1

The maximum kinetic energy of a bob of mass m is ${\:mgl(1 - cos \: \theta)}$

Answer 2

The maximum kinetic energy of a bob of mass m is mgl (1 − cos θ)