journeyhile5
24.01.2020 •
Physics
Two billiard balls, each with a mass of 0.35 kg, strike each other head-on. one ball is initially moving left at 4.1 m/s and ends up moving right at 3.5 m/s. the second ball is initially moving to the right at 3.5 m/s. find the velocity of the second ball.
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Ответ:
Which eye structure has the greatest effect on light refraction? ... They are the ciliary muscle, which controls the shape of the lens for accommodation, and the iris, the pigmented ring of muscles that regulates the amount of light entering the eye.
Explanation: