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username1170
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#1
Report Thread starter 17 years ago
#1
Im doing some physics coursework right now and I need some help - does anybody have suggestions on how to accurately measure the bounce of a ball?
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gemgems89
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Report 17 years ago
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(Original post by Shaft)
Im doing some physics coursework right now and I need some help - does anybody have suggestions on how to accurately measure the bounce of a ball?
All i can think of is holding a ruler up verticle and seeing how far up the ruler the ball bounces ?????
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nabzp
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Report 17 years ago
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Wat do u want? It's velocity when it hits the ground? It's highest point? It's acceleration?

There's always VUSAT equations. U cud use:

v squared = usquared + 2as

I'm guessing the accel wud b due to gravity n as gemma said, u cud mesure the height...depending on which way u count as positive, either u or v wud b zero so u cud find the other.
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username1170
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Report Thread starter 17 years ago
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Thanks for your replies, I need to measure the bounce at its highest point, but it just happens too fast for me to get a decent reading...
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#5
Report 17 years ago
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:O im doin that CW! our skools given us theres digital cameras to measure it but just usin that doesnt get us more marks or sumthin hehe the cameras r great we made this film of our science teach and put a UFO on iit its so funi and now hes paranoid that we r filmin him lol
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nabzp
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#6
Report 17 years ago
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(Original post by Shaft)
Thanks for your replies, I need to measure the bounce at its highest point, but it just happens too fast for me to get a decent reading...
well then work the other way....accel = gravity,
@ highest point, v = 0
but unsure about u - u need 2 find a way 2 sort that one out
then use vusat!
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