On a hot day, the air molecules have more kinetic energy - they move around more freely. They will move out of the way of the soccer ball that is moving through them more easily when the air is warm. In physics we might say that the warmer air is more susceptible to shear force than cooler air. The warmer air will "part" more easily to let the ball pass through.
What is the term for the speed at which an object will overcome the gravitational attraction of the Earth?
According to the standard model of particle physics, what is the name for the three leptons that have no electric charge and little if any mass?
This perceived force, that seems to want to throw a person off a merry-go-round, is often regarded by physicists as a fictitious force
Sound frequencies below 16 Hertz are usually referred to by scientists as
Heat cannot pass from a cooler substance to a warmer substance without some other process being involved. This is an example of which law of thermodynamics?
What is the dramatic increase in amplitude called when the frequency of forced vibrations on a body matches the bodys natural vibration frequency?
Who determined that the square of a planets period is proportional to the cube of its average distance from the sun?
A color made from the addition of two primary colors is called
What law yields an equation that is used in determining crystal structure from interference patterns produced by monochromatic X-rays?
In radio transmission, what does the acronym AM stand for?
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