how fast is the tip of a whip
Whipcracking Recently, an additional, purely geometrical factor was recognized: the tip of the whip moves twice as fast at the loop of the whip, just like the top of a car's wheel moves twice as fast as the car itself.[2][3]
Bull riding The flank strap
Swallowing 5) Closure of the nasopharynx
Limit of a function (the Dirichlet function) has no limit at any x-coordinate.
Rate equation k is the first order rate constant, which has units of 1/s or sâˆ’1.
Vein Veins are less muscular than arteries and are often closer to the skin. There are valves in most veins to prevent backflow.