can someone help me with my physics please

**howlett15** · 10-09-2008, 07:08 PM

ok so we had do this water bottle rocket project in my physics class and i took down some info...i will post it if you think you can help but im trying to find how uch work was performed....thanks

**one1** · 10-09-2008, 07:22 PM

What goes up must come down.

**DoerrFan** · 10-09-2008, 07:51 PM

Post the info, theres a formula for it.

**howlett15** · 10-09-2008, 08:06 PM

ok the rockets mass without water is 80 grams, the optimum pressure at launch was 80 psi, the volume of water was .000899 cubic meters and the volume of air was .0011, the optimum amount of water in grams that achieved the highest altitude was 30.43 grams, the longest hang time was 3.4 sec going 74 ft high and the angle was 25 degrees standing 35 feet away. hope this is enough... if you didnt notice i dont really know what im doing in there yet lol

**bhz1** · 10-09-2008, 08:30 PM

my physics genius son is already asleep or I'd ask him. I assume this is homework for tonight?

**one1** · 10-09-2008, 08:31 PM

You can do it, It's not rocket science

**howlett15** · 10-09-2008, 08:40 PM

one 1 your killing me lol.... and bhz1 wake him up! lol jk... yes i have a baseball tournament 5 hours away tomorrow and we are leaving at 5:45 am so i am going to email it to my teacher....i really need some help....i wonder if the guy who made iphysics could help? hmmm

**Chase817** · 10-09-2008, 09:49 PM

i wonder if the guy who made iphysics could help?

lol

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