Physics
If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound?

0.16736111111111
0.084027777777778
0.052777777777778
0.044444444444444

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Physics
Kinetic energy depends on

The velocity or speed of the moving body.
Both mass and velocity of the moving body
The mass of the moving body
The pressure of the moving body

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