Both stones reach the ground together. In the absence of air resistance, all objects fall at the same rate regardless of mass, as stated by the principle of universal gravitation. Therefore, the larger stone does not reach the ground before ...
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Mercury has the lowest density among the listed liquids. With a density of approximately 13.6 g/cm³, mercury is denser than water, salty water, and petrol.
Bernoulli’s theorem is based on energy conservation. It states that in a flowing fluid, an increase in the fluid’s speed occurs simultaneously with a decrease in pressure or potential energy. This principle is fundamental in fluid dynamics and is used ...
An iron needle floats on the surface of water due to surface tension. Surface tension is the cohesive force between water molecules at the surface, which creates an upward force capable of supporting lightweight objects like the needle.
Absorption of ink by blotting paper involves capillary reaction phenomenon. Capillary action occurs due to the adhesive and cohesive forces between the liquid molecules and the fibers of the paper, causing the ink to be drawn upward. This phenomenon is ...