Engineering, 11.02.2021 21:10, mshepherdmiller

Light gate may be measure the speed of projectiles, such as arrows shot from a bow. English longbow made of yew in the 1400s achieved launch speeds of 60 m/s. Determine the relationship between the distance between light gates and the accuracy required for sensing the times when the light gate senses the presence of the arrow.

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Light gate may be measure the speed of projectiles, such as arrows shot from a bow. English longbow...