radar
Name:
James Duffer
School:
Graduated South Oklahoma City Junior College (1982), Strayer University, Washington, D.C. 1992.
About:
Twelve yrs w/U.S Army, Signal Corps.
Retired from FAA. Serving at several FAA Long Range Radar sites and ending up at the Radar Program Office in Washington, D.C. I just like math. (Although it has been while!) Amateur Radio Operator (WD4AIR) The little dog on my my lap is a Boston Terrier named "Bonnie" Any work I do on OS is approved by her.
Most Active Subjects
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 12
Medals Received 9
Questions Asked 0
Questions Answered 3
Medals Received 2
Questions Asked 0
Questions Answered 9
Medals Received 2
Questions Asked 0
Questions Answered 13
Medals Received 11
Questions Asked 0
Questions Answered 1
Medals Received 0
Questions Asked 0
Questions Answered 7
Medals Received 2
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 2
Medals Received 0
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 2
Questions Answered 9
Medals Received 3
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 42
Medals Received 20
Questions Asked 0
Questions Answered 1
Medals Received 0
Questions Asked 0
Questions Answered 6
Medals Received 3
Questions Asked 0
Questions Answered 397
Medals Received 146
Questions Asked 0
Questions Answered 3
Medals Received 0
Questions Asked 0
Questions Answered 10
Medals Received 2
Questions Asked 0
Questions Answered 9
Medals Received 2
Questions Asked 0
Questions Answered 10
Medals Received 2
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 5
Questions Answered 3844
Medals Received 1774
Questions Asked 0
Questions Answered 8
Medals Received 6
Questions Asked 0
Questions Answered 4
Medals Received 0
Questions Asked 0
Questions Answered 2
Medals Received 1
Questions Asked 0
Questions Answered 21
Medals Received 7
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 12
Medals Received 9
Questions Asked 0
Questions Answered 3
Medals Received 2
Questions Asked 0
Questions Answered 9
Medals Received 2
Questions Asked 0
Questions Answered 13
Medals Received 11
Questions Asked 0
Questions Answered 1
Medals Received 0
Questions Asked 0
Questions Answered 7
Medals Received 2
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 2
Medals Received 0
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 2
Questions Answered 9
Medals Received 3
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 42
Medals Received 20
Questions Asked 0
Questions Answered 1
Medals Received 0
Questions Asked 0
Questions Answered 6
Medals Received 3
Questions Asked 0
Questions Answered 397
Medals Received 146
Questions Asked 0
Questions Answered 3
Medals Received 0
Questions Asked 0
Questions Answered 10
Medals Received 2
Questions Asked 0
Questions Answered 9
Medals Received 2
Questions Asked 0
Questions Answered 10
Medals Received 2
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 5
Questions Answered 3844
Medals Received 1774
Questions Asked 0
Questions Answered 8
Medals Received 6
Questions Asked 0
Questions Answered 4
Medals Received 0
Questions Asked 0
Questions Answered 2
Medals Received 1
Questions Asked 0
Questions Answered 21
Medals Received 7
Questions Asked 0
Questions Answered 0
Medals Received 0
0
Questions Answered
Objection:
Group Title
Check my answers? One step equations! (MEDAL)
http://gyazo.com/5c0a230815be30f6621872621240b872
updated 1 hours ago
7 replies
1 Medal
Mathematics
NinjaKiwi25:
Group Title
Which of the following is a feature of capitalism? (Select the best answer.) (Points : 1) A high level of government control …
updated 23 minutes ago
1 reply
No Medals Yet
Mathematics
factor:
Group Title
Resistors R1,R2,R3 have the values 5ohms, 10 ohms 30 ohms respectively which have been connected to a battery of 12 V. Calculate
(a) the cu…
updated 25 minutes ago
11 replies
No Medals Yet
Mathematics
Secret-Ninja:
Group Title
Am I right?
Compare and Contrast: Below are two equations. Solve each equation and compare the two solutions. Choose the statement that is…
updated 2 hours ago
12 replies
1 Medal
Mathematics
warvet:
Group Title
Resistors in series:
…
updated 4 hours ago
3 replies
1 Medal
Mathematics
juagarni2:
Group Title
What physical effect can change the boiling point of a substance?
updated 4 hours ago
1 reply
No Medals Yet
Mathematics
zylaai:
Group Title
Which expression is equivalent to 7^3 ⋅ 7^−5?
updated 20 hours ago
4 replies
No Medals Yet
Mathematics
smile123:
Group Title
A swimmer is capable of swimming 0.62m/s in still water. At what upstream angle must the swimmer aim, if she is to arrive at a point directl…
updated 50 seconds ago
1 reply
No Medals Yet
Mathematics
TheSmartOne:
Group Title
Solve the radical equation.
updated yesterday
24 replies
2 Medals
Mathematics
yash40:
Group Title
When a resistance of 6ohms is connected across the terminals of a cell, the terminal potential difference is found to be 4.5V. When another …
updated yesterday
7 replies
1 Medal
Mathematics
yash40:
Group Title
Two cells of 2V/500mA rating are connected in parallel. Find battery output voltage and current capacity
updated yesterday
3 replies
No Medals Yet
Mathematics
clamin:
Group Title
Would you fly on a plane that only navigated and landed using GPS? Why or Why not?
updated 4 hours ago
1 reply
No Medals Yet
Mathematics
mbates:
Group Title
A caterpillar tries to climb straight up a wall a meter high, but for every 2 cm. up it climbs, it slides down 1 cm. Eventually, it reaches …
updated 20 hours ago
1 reply
No Medals Yet
Mathematics
morganchavez:
Group Title
PLEASE HELP
2.) Simplify the radical in exponent form. Please show all work.
updated 2 days ago
22 replies
1 Medal
Mathematics
JoseSalinas96:
Group Title
Dusty planted a rectangular garden that had a perimeter of 36 yards. The length of the garden is 6 feet longer than twice the width. What is…
updated 2 days ago
13 replies
1 Medal
Mathematics
Compassionate:
Group Title
See image [ http://prntscr.com/4mx9cc ]
Take 240,000 and multiply it by .6, correct?
…
updated yesterday
187 replies
6 Medals
Mathematics
coolcoool:
Group Title
the centigrtade thermometer scale is based on
updated 3 days ago
1 reply
No Medals Yet
Mathematics
Dzie:
Group Title
1.a. the arrangement below comprises four 6.0mF capacitor. what is the capacitance of the combination?
b. b. fill in the blank with either A…
updated 3 days ago
3 replies
No Medals Yet
Mathematics
ttriiiin26:
Group Title
Choose the equation that models the following statement:
The current, I amps, produced by a battery is inversely proportional to the resis…
updated 3 days ago
2 replies
No Medals Yet
Mathematics
zigenbein:
Group Title
12+8i 12-8i
----- = ----- am i right?
9+4i 13
updated 3 days ago
5 replies
1 Medal
Mathematics
SCARLET_SPIDER:
Group Title
What are the amplitude, period, phase shift, and midline of f(x) = −3 sin(4x − ð) + 2?
Amplitude: 3; period: pi over 2; phase shift: x =…
updated 4 days ago
3 replies
No Medals Yet
Mathematics
realmadrid7:
Group Title
Which of the following food items did Europe gain as a result of exploring the New World?
Barley, oats, and rice
…
updated 4 days ago
7 replies
1 Medal
Mathematics
oscar.bautista:
Group Title
Find the distance between the points (-3, 11) and (5, 5).
updated 4 days ago
3 replies
No Medals Yet
Mathematics
messy:
Group Title
how half and full rectifers works
updated 3 days ago
5 replies
2 Medals
Mathematics
joshlane2:
Group Title
When there is a difference in voltage, the flow of charge is called which of the following
updated 4 days ago
1 reply
No Medals Yet
Mathematics
11mymy10:
Group Title
all the following are an example of electrical current except:
a) charges flowing in one direction through a circuit.
b) charges moving thr…
updated 4 days ago
1 reply
No Medals Yet
Mathematics
.InsertUserNameHere..:
Group Title
when resistance (ohms) is increased, what decreases? i mean is it volts, amps, or any thing else?!
…
updated 3 days ago
16 replies
2 Medals
Mathematics
csnyder65:
Group Title
Suppose a radio signal travels from earth and through space at a speed of 3.0 X 10^8 m/s. How far into space did that signal travel during t…
updated 4 days ago
1 reply
No Medals Yet
Mathematics
tylersmith52114:
Group Title
The measure of angle θ is 600°.
The point (x, y) corresponding to θ on the unit circle is
updated 6 days ago
14 replies
1 Medal
Mathematics
rjr2713:
Group Title
Which of these events is an example of resonance? A. A bridge collapses due to the overloading of vehicles using it. B. A baker kneads dough…
updated 6 days ago
2 replies
No Medals Yet
Mathematics
> Older questions