Physics
During ________ motion of an object along a straight line, the velocity remains constant with time.

Equilibrium
Uniform
Linear
Translational

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Physics
An egg sinks in soft water but floats in a concentrated solution of salt because

The density of salt solution exceeds the density of eggs
Water has high surface tension
Egg absorbs salt from the solution and expands
Albumin dissolves in salt solution and egg becomes lighter

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Physics
On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because :

Plastics have a higher thermal conductivity than metals
Metals have higher thermal capacity than plastics
Plastics have a lower density than metals
Metals are good conductors of heat

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