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Originally posted by FOXMULDER147
Personally, I've never seen a bat (or a bird for that matter) stop stone dead in mid flight WITHOUT any DECELERATION.
Originally posted by ArMaP
Originally posted by FOXMULDER147
Personally, I've never seen a bat (or a bird for that matter) stop stone dead in mid flight WITHOUT any DECELERATION.
It depends on how the bird/bat/insect moves in the 3D space, if it makes a sharp turn and starts moving in your direction or away from you it will look as if it was stopped in the air, if you don't have any reference.
Originally posted by FOXMULDER147
Originally posted by ArMaP
Originally posted by FOXMULDER147
Personally, I've never seen a bat (or a bird for that matter) stop stone dead in mid flight WITHOUT any DECELERATION.
It depends on how the bird/bat/insect moves in the 3D space, if it makes a sharp turn and starts moving in your direction or away from you it will look as if it was stopped in the air, if you don't have any reference.
But in that case there would be noticeable deceleration as the object moved onto your 'plane' of sight, towards you or away from you. In the video there is no deceleration - the object stops abruptly, hangs, and accelerates in a completely different direction.
Originally posted by CHRLZ
Originally posted by FOXMULDER147
Originally posted by ArMaP
Originally posted by FOXMULDER147
Personally, I've never seen a bat (or a bird for that matter) stop stone dead in mid flight WITHOUT any DECELERATION.
It depends on how the bird/bat/insect moves in the 3D space, if it makes a sharp turn and starts moving in your direction or away from you it will look as if it was stopped in the air, if you don't have any reference.
But in that case there would be noticeable deceleration as the object moved onto your 'plane' of sight, towards you or away from you. In the video there is no deceleration - the object stops abruptly, hangs, and accelerates in a completely different direction.
Foxmulder, would you be so kind to support those claims with a proper analysis? Please state your assumptions and show your calculations, measurements and error range.
Be careful, as some folk here know how to do this properly...
Originally posted by FOXMULDER147
reply to post by ArMaP
At 1:14 on the video the object definately comes to a momentary stop.
Also, at around 2:10, the object goes into an acceleration which would be pretty impressive for an animal...! All the accelerations in the video look unlike any birds I've seen...