Physics
The motion of the wheels of a bullock-cart while moving on the road is an example of

Oscillatory and translatory motion
Translatory motion only
Oscillatory and rotatory motion
Translatory and rotatory motion

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Physics
Why two thin shirts can keep us warmer than a single thick shirt in winter ?

Air layer between two shirts behaves like insulating media
Two thin shirts become thicker so prevent transmission of heat
No radiation of heat takes place
Air layer between two shirts works as good conductor

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