Examlex
Two masses,m1 and m2,are moving with velocities and
when they collide.After the collision,the final velocities are
and
.Which of the following expressions is true? (The subscripts x and y represent the components along x and y respectively.)
Specific Gravity
The ratio of the density of a substance to the density of a reference substance, typically water for liquids and solids, or air for gases.
Rock
A naturally occurring solid aggregate of minerals or mineraloid matter.
Effervescence
The release of gas bubbles in a liquid, often seen when acids react with carbonates producing carbon dioxide bubbles.
Magnetism
A natural occurrence resulting from electric charge movement, leading to objects attracting and repelling each other.
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