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When determining angle of impact of a blood spot - one assumption made is that the...

When determining angle of impact of a blood spot - one assumption made is that the blood drop hitting the target surface is spherical. Since a blood drop is oscillating while falling how would the interpretation of angle of impact be affected if the blood drop was actually not spherical upon impact? [5 pts]

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Answer #1

The blood drop spatter is not elliptically shaped when the drop is oscillating about some arbitrary axis at the time of impact.so the calculation of impact angle is not simple trigonometry. Blooddrop oscillation damp very quick if allowed to travel for small duration because of high viscosity and surface tension. The shape and impact angle calculations become mathematically complex for an oscillating drop. However trajectory of center of mass is unaffected due to oscillations due to internal forces ,can help find solutions.

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