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Physics
A swimmer while jumping into water from a height easily forms a loop in the air if
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Q. A swimmer while jumping into water from a height easily forms a loop in the air if
System of Particles and Rotational Motion
A
He pulls his arms and leg in
70%
B
He spread his arm and legs
8%
C
He keeps himself straight
15%
D
None of the above
6%
Solution:
Angular momentum remains constant, swimmer decreases his moment of inertia by forming a loop which results in increase in angular velocity