A gymnast takes turns with her arms and legs stretched. When she pulls her arms and legs in

A dancer on ice spins faster when she folds her arms due to

Anamika who is facing South Walks 20 m, then she turns to her right and walks 15 m, then she turns to her right and walks 16 m, again she turns to her right and walks 12 m. How far is she from her starting point ?

A battet dancer spins with 2.8 rps with her arms out stretched. When the moment of inertia about the same axis becomes 0.7 l. the new rate of spin is

An ice skater starts a spin with her arms stretched out to the sides. She balances on the tip of one skate to turn without friction. She then pulls her arms in so that her moment of inertia decrease by a factor of 2 . In the process of her doing so, what happens to her kinetic energy ?

If a gymnast sitting on a rotating disc with his arms out stretched suddenly lower his arms, then

A ballet dancer spins about a vertical axis at 60 rpm with arms outstretched. When her arms are folded the angular frequency increases to 90 rpm . Find the change in her moment of inertia.

Mamatha walks 14 metres towards west, then turns to her right and walks 14 metres and then turns to her left and walks 10 metres. Again turning to her left she walks 14 metres. What is the shortest distance (in metres) between her starting point and her present position?