HSV B.15 - Kick shot spin effects
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Uploader Comments (DrDaveBilliards)
All Comments (7)
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They must be assuming a "typical" tennis racket is hitting the ball at a "typical" speed in the "sweet spot."
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ok yeh thanks thats what i thought its just that on wikipedia it was saying like e of a tennis ball is 0.87 which confused me. thanks for the help Dr.Dave
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COR (e) is defined only for two objects:
COR = e = (normal depart speed between 2 objects after collision) / (normal approach speed between 2 objects before collision)
I hope that helps.
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yeh i get that but I mean like if two balls collided can u calculate the coefficient of restitution of one or is it just the coefficient of restitution between them?
thanks for the help
will
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There are 2 objects: ball and rail cushion. It just so happens one is stationary.
COR = e = (depart speed) / (approach speed)
Dr. Dave
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your videos are excellent. very helpful!!!!! keep them coming please
johnnylawrence123456 2 years ago
Thank you. FYI, I have a lot more videos and resources available on my website (see the link in the video description). I also plan to "keep them coming."
Please help spread the word about my stuff,
Dr. Dave
DrDaveBilliards 2 years ago
btw nice slo-mo camera
sclemzoid 3 years ago
Thanks. It is quite helpful for analyzing all sorts of things.
DrDaveBilliards 3 years ago