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

A girl rotates on a swivel chair. What happens to her angular speed when she stretches her arms?

A platform diver holds his hands and legs straight and makes loops in air before entering into water. What happens when he tries to land in the pool by stretching his arms and legs?

The resistance .R. of a conductor depends on its length T., area of cross-section .A. and the resistivity .p. of the material. What happens to the resistance of the conductor if stretched to double its length?

A long resistance wire is stretched between two iron nails. A battery of 2V is applied across the wire. One end of a torch bulb is connected to nail and other end is made in contact as shown in figure. - What happens to the reading, if we change 2V with 3V during the time of reading

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...........

Inertia of the circuit is thecause of self inductance of a coil.What happens to the value of L of the coil when the no of turns is doubled keeping all other parameters constant?