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There is speculation that a bird or a flock of birds may have caused a plane carrying over 150 people to crash into the Hudson River near Manhattan. As Karen Anderson reports,...Windows Media - Video
The Constant Gardener has won two gongs at the Evening Standard British Film Awards in London. The thriller set in Kenya was named best film and its star Ralph Fiennes won best...Flash - Video
Two authors tell Father Beck that positive change often comes from turmoil.Flash - Video
Gaza residents get no sleep, little food and much trauma.Windows Media - Video
Children in Gaza begin to confront the psychological after-effects of war, following Israel's recent offensive in the Palestinian territory. In southern Israel, Jewish and Arab...Flash - Video
What is the spring constant and the maximum compression?Jeffa) k(avg)= (k1 + k2)/2
k(avg)= (4+ 6)/2=5 N/m
b) Ps=.5k(avg)X^2 (potential energy of the spring)
Ke=.5mV^2 (kinetic energy of the mass)
Pe=Ke
then
X(max)=sqrt(mV^2/k(avg))
X(max)=sqrt(1....
What is the definition of a constant speed propeller?dolphinswim1001Y'a know, the level of BS on this web site is getting deep! The previous answers are a prime example of "A little bit of knowledge is a dangerous thing!"
A CONSTANT SPEED propeller is one where th...
What of the following is a constant for an object falling freely towards the earth?FlamezzIt's the acceleration due to gravity, which has a value 9.81 m/s².
When in free fall, velocity changes when moving towards a gravity source, which also means the momentum changes. The energy chang...
What can a few days of constant extreme stress and anxiety do to your body?lexi2232short term
-lack of sleep
-not very hungry
-Frequent Urination
-stomach ache
-depression
-Frustration
-steatiness
long term
-Heart problems
-weakened immune system
-bladder problems
-Dep...
How do you calculate the dissociation constant of an acid?BMoles NaOH = 0.027 L x 0.15 M =0.00405
= moles HA
initial concentration HA = 0.00405 / 0.025 L =0.162 M
[H+] = 10^-2.48 =0.00331 M
HA <------> H+ + A-
initial conc.
0.162
change
-x. . . . ...
