A girl is swinging on a swing in the sitting position. How will the period of swing be affected if she stands up?

Fill in the blanks: A girl is swinging on a swing in a sitting position. When she stands up, the period of the swing will...........

A girl is swinging in sitting position. What shall be the effect of frequency of oscillation if she stands up?

A girl is swinging a swing in sitting position. What shall be the effect of frequency of oscillation if another girl sits gently by her side?

A girl is standing on a turn table. What happens to the rotation speed if she stretches her hand?

In a science fair, a debate based on 'Position of Hydrogen in the periodic table" was condùcted. Imagine that you were a participant in the debate arguing for including hydrogen along with alkali metals. i. Write any three statements you would have made in the debate in order to establish your árgument. ii. If Raju was in the opposite side arguing for including hydrogen with halogens, how would he have countered your arguments?