leb report 7 execution

Post new topic   Reply to topic

Page 1 of 3 1, 2, 3  Next

View previous topic View next topic Go down

leb report 7 execution

Post  hbhbc on Mon Nov 17, 2008 10:57 pm

Does anyone know what the equation for DeltaKE_max is?

hbhbc
Guest


Back to top Go down

Re: leb report 7 execution

Post  Delila on Mon Nov 17, 2008 11:01 pm

DeltaKE_max=(2*Deltaw/w)*KE_max

Delila
Guest


Back to top Go down

Re: leb report 7 execution

Post  Guest24 on Mon Nov 17, 2008 11:16 pm

Does anyone know Delta T

Guest24
Guest


Back to top Go down

Re: leb report 7 execution

Post  Guest24 on Mon Nov 17, 2008 11:26 pm

And Delta PE?

Guest24
Guest


Back to top Go down

Question #2

Post  Mustakra on Mon Nov 17, 2008 11:30 pm

DeltaT = .5*(Deltak/k)*T

Mustakra
Guest


Back to top Go down

Re: leb report 7 execution

Post  Sarah on Tue Nov 18, 2008 2:54 pm

what is #7 and #8

Sarah
Guest


Back to top Go down

Questions 1-11

Post  ravenscorne on Tue Nov 18, 2008 4:24 pm

Question 1: Table (Use F = m*g, and k = F/x)

Question 2: DeltaT = .5*(Deltak/k)*T

Question 3: Table (T_theor = 2*pi*sqrt(m/k), and DeltaT_theor = .5(Deltak/k)*T_theor)

Question 4: Graph, find slope

Question 5: Use equation: (Your slope - 1)/(Error of slope)

Question 6: Table

Question 7: v_0 = w/t
Deltav/v = Deltaw/w

Question 8: DeltaPE_max = sqrt((Deltak/k)^2+(2*Deltax/x)^2)*PE_max

Question 9: DeltaKE_max = 2*(Deltaw/w)*KE_max

Question 10: Table

Question 11: Use equation: (PE_max - KE_max)/(sqrt(DeltaPE_max)^2 + DeltaKE_max)^2))

And you're done! Now wasn't that easy? Very Happy

ravenscorne

Posts: 15
Join date: 2008-09-20

View user profile

Back to top Go down

Re: leb report 7 execution

Post  Greatful on Tue Nov 18, 2008 5:48 pm

Your great!!!!!!! Very very nice of you!

Greatful
Guest


Back to top Go down

units

Post  jsyz on Tue Nov 18, 2008 6:19 pm

units
m=kg
x=m
f=N
k=N/m
M=kg
t=s
width=m
v=m/s
PE+KE=J
for the slope since it's s/s, i guess it should be none~
hope this helps

jsyz
Guest


Back to top Go down

Re: leb report 7 execution

Post  its me on Tue Nov 18, 2008 6:28 pm

hey guys
what r the units of # 1,3,4 and 10
thannxxxx aloooooooot

its me
Guest


Back to top Go down

Re: leb report 7 execution

Post  ques on Tue Nov 18, 2008 6:40 pm

for number 4
my slope was .170

so which error sounds more right, .01 or .001?

ques
Guest


Back to top Go down

Re: leb report 7 execution

Post  its me on Tue Nov 18, 2008 6:49 pm

thanx jsyz, i didn't see ur post
thanx a lot

last question plz
how do u find PEmax and KEmax
plz post the equation Sad

its me
Guest


Back to top Go down

pe and ke max

Post  anna on Tue Nov 18, 2008 7:58 pm

PE max= .5(k)(x_0)^2

KE max= .5(M)(v_0)^2

anna
Guest


Back to top Go down

Re: leb report 7 execution

Post  Mike on Tue Nov 18, 2008 8:35 pm

hey

do we need to make graphs? cause there are no graph papers, and my TA didn't mention anything about graphs !!

Mike
Guest


Back to top Go down

ques10

Post  guest23 on Tue Nov 18, 2008 9:46 pm

for ques 10, when calc Pe_max what do we use for x_0 (initial/equilibrium position)?

guest23
Guest


Back to top Go down

Page 1 of 3 1, 2, 3  Next

View previous topic View next topic Back to top


Permissions of this forum:
You can reply to topics in this forum