RaphaelFilgueiras
 Name:
 Raphael Filgueiras
 School:
 About:
 Wake Up Brazil!!!
188 helpers are online right now
75% of questions are answered within 5 minutes.
Most Active Subjects

 Questions Asked
 1
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 6
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 1
 Questions Answered
 10
 Medals Received
 3

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 10
 Questions Answered
 0
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 2
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 6
 Medals Received
 2

 Questions Asked
 1
 Questions Answered
 0
 Medals Received
 1

 Questions Asked
 9
 Questions Answered
 226
 Medals Received
 72

 Questions Asked
 0
 Questions Answered
 2
 Medals Received
 4

 Questions Asked
 0
 Questions Answered
 9
 Medals Received
 3

 Questions Asked
 1
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 2
 Medals Received
 0

 Questions Asked
 17
 Questions Answered
 774
 Medals Received
 349

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 1
 Questions Answered
 2
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 4
 Medals Received
 4

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 1
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 6
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 1
 Questions Answered
 10
 Medals Received
 3

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 10
 Questions Answered
 0
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 2
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 6
 Medals Received
 2

 Questions Asked
 1
 Questions Answered
 0
 Medals Received
 1

 Questions Asked
 9
 Questions Answered
 226
 Medals Received
 72

 Questions Asked
 0
 Questions Answered
 2
 Medals Received
 4

 Questions Asked
 0
 Questions Answered
 9
 Medals Received
 3

 Questions Asked
 1
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 2
 Medals Received
 0

 Questions Asked
 17
 Questions Answered
 774
 Medals Received
 349

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 1
 Questions Answered
 2
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 4
 Medals Received
 4

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

0 
Questions Asked

RaphaelFilgueiras:
Group Title
I have
F(theta)=[cos(pi.cos(theta)+n*pi/4)+(1)^n.cos(3pi.cos(theta)+n*pi/4)]²
…
 updated yesterday
 7 replies
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
An equipment can be purchased with three consecutive bimonthly payments of $ 2,000.00 and $ 3,000.00 R $ 4,000.00, respectively, with the fi…
 updated 22 days ago
 3 replies
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
An equipment can be purchased with three consecutive bimonthly payments of $ 2,000.00 and $ 3,000.00 R $ 4,000.00, respectively, with the fi…
 updated 22 days ago
 2 replies
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
Water flows from the pipe show in figure as a free jet and strikes a circular flat plate. The flow geometry shown is axisymmetrical. Determ…
 updated 5 months ago
 9 replies
 1 Medal
Mathematics

RaphaelFilgueiras:
Group Title
water flows
 updated 6 months ago
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
Some one can help me?
 updated 6 months ago
 6 replies
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
The variation of H2SO4 specific heat due tp temperature with unitis of cal.mol1.°C1is given by equation:
Cp=33.25+0.033.T
Were T is in …
 updated 6 months ago
 17 replies
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
How do i prove this:
 updated 8 months ago
 14 replies
 1 Medal
Mathematics

RaphaelFilgueiras:
Group Title
is the abs value of a complex vector
[(a+bi),(a'+b'i),(a''+b''i)]*[(abi),(a'b'i),(a''b''i)]?
 updated 10 months ago
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
The instantaneous electric field inside a source free, homogeneous , isotropic , and linear medium is give by
 updated 7 months ago
 20 replies
 1 Medal
Mathematics

RaphaelFilgueiras:
Group Title
What is the summation of:
 updated one year ago
 15 replies
 1 Medal
Mathematics

RaphaelFilgueiras:
Group Title
http://openstudy.com/study#/updates/50e101a0e4b02f772febf619
 updated one year ago
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
the times between successive arrivals at a facility are independent and identically distribuited random variables with the following PMF:
 updated one year ago
 4 replies
 1 Medal
Mathematics

RaphaelFilgueiras:
Group Title
Someone could give me a good material of adaptive modulation and coding?
 updated one year ago
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
Someone can show me a good material of IOFDM?
thanks in advance.
 updated one year ago
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
some one can help me to do question number 30 of problem set 2.3
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
write M as a product of many factors A and B.
 updated one year ago
 30 replies
 2 Medals
Mathematics

RaphaelFilgueiras:
Group Title
cool question.An helium ballon is fixed in a wagon floor with a massless thread,the wangon is completely closed.The thread stay in vertical …
 updated one year ago
 29 replies
 2 Medals
Mathematics

RaphaelFilgueiras:
Group Title
some one can give me a good material of 802.16 WiMax
 updated one year ago
 2 replies
 1 Medal
Mathematics

RaphaelFilgueiras:
Group Title
how many corners does a cube have in 4D?How many 3D faces?How many edges?A typical corner is (0,0,1,0),a typical edge goes to (0,1,0,0).
 updated one year ago
 18 replies
 2 Medals
Mathematics

RaphaelFilgueiras:
Group Title
what this equation represents in R²?
 updated one year ago
 20 replies
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
some one can tell me where i find a good material of fluid mechanichs?
 updated one year ago
 2 replies
 4 Medals
Mathematics

RaphaelFilgueiras:
Group Title
what is the formal definition of homogeneous medium?
 updated 2 years ago
 3 replies
 2 Medals
Mathematics

RaphaelFilgueiras:
Group Title
find one equation for the oscillation frequence,of a electrical dipole with moment (p),and moment of inertia (I),for small oscillation in p…
 updated 2 years ago
 25 replies
 1 Medal
Mathematics

RaphaelFilgueiras:
Group Title
A spherical uniform shell rotates in a vertical axis without friction.One string without mass passing through sphere equator and a sheave h…
 updated 2 years ago
 15 replies
 2 Medals
Mathematics

RaphaelFilgueiras:
Group Title
when we have a laminar flow in a circular tube the friction factor is 16/Re or 64/Re?
 updated 2 years ago
 12 replies
 2 Medals
Mathematics

RaphaelFilgueiras:
Group Title
jhon has a debt of $35000 the payment day is in 16 months,he pretend to pay $12000 at the end of 158 days,and $13000 189 days after the fir…
 updated 2 years ago
 14 replies
 2 Medals
Mathematics

RaphaelFilgueiras:
Group Title
What is the length of an ACK frame in 802.11 b?
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

RaphaelFilgueiras:
Group Title
What are the lenght of an ACK frame in 802.11 b?
 updated 2 years ago
 No Medals Yet
Mathematics

RaphaelFilgueiras:
Group Title
why in Ethernet the greater "distance" between two stations of network must be less than a half of transmission time of a minimum datagram?(…
 updated 2 years ago
 6 replies
 2 Medals
Mathematics
 > Older questions