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16 November, 05:58

Three elongated drops of blood were found on the floor in a room. the lengths of the drops were 4mm 10mm and 12 mm the corresponding widths of each drop were 2 mm 5 mm and 6mm what was the angle of impact of each drop

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  1. 16 November, 06:03
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    Blood, like other liquids, is governed by the laws of physics as it falls. It will accelerate to the earth as other objects as a rate of 9.8 m/s/s and the force of air resistance will slow its fall. If the droplets fall at a 90 degree angle to a relatively non-porous surface the resulting pattern will be an almost perfect circle. (e. g. Try dropping red paint from an eyedropper directly above a white piece of paper). Blood droplet with an angle of impact at 90 DegreesWidth of droplet = 2.5 cm Length of droplet = 2.5 cm = 1What angle has the sine of 1? 90 degreesAs the angle of impact decreases a distortion of the droplet results. The droplet travels as a projectile and the bottom of the droplet will hit the floor first while top will continue along its path and result in a spatter elongation and sometimes a tail. The tail of the droplet corresponds to the direction the blood travels. Sin x = width of stain/length of stain
  2. 16 November, 06:05
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    Blood, is similar within other liquids, blood is governed by the factors of physics as into it falling. It will accelerate to the earth as other objects as a rate of 9.8 m/s/s and the force of air resistance will slow its fall. If the droplets fall at a 90 degree angle
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