Monday
December 22, 2014

Posts by Farah


Total # Posts: 133

Physics - centripetal acceleration
What is the centripetal acceleration of a satellite orbiting Saturn at the location exactly on Saturn radius above the surface of Saturn
October 31, 2010

Physics - Charge on sphere (check + help)
Two 2.0g spheres are attached to each end of a silk thread 1.20m long. The spheres are given identical charges and the midpoint of the thread is then suspended from a point on the ceiling. The spheres come to rest in equilibrium, with their centers 15cm apart. What is the ...
October 30, 2010

Physics - Spring balls
A 275g ball is resting on top of the spring that is mounted on the floor. You exert a force of 325N on the ball and it compresses the spring 44.5cm. If you release the ball from the position, how high above the equilibrium position of the spring-ball system will the ball rise?
October 30, 2010

Math - derivative of a rational function
find the 1st derivative of f(x) = x/(x-1)2 Is the 1st derivative f'(x)= -x-1/(x-1)^3
October 29, 2010

Health Econ
The probability of death from running a red light is 15%. People who run the red light do not want to lose the 2 minutes where they have to wait for the light to turn green again. Assume the average salary is $25 an hour. Compute the value of life using the Jones-Lee approach.
September 25, 2010

ap chemistry
Definetly E
September 24, 2010

French
I am thinking it should have been "irez" instead of "allez". which would be future progressive.
September 24, 2010

french
b, august of course come on!
September 23, 2010

french
a.
September 23, 2010

french
un eleve
September 23, 2010

french
2. les orteilles
September 11, 2010

Physics - Vertical Motion
fg +fps = ma where fg is the force due to gravity fps is the force due to the person on the scale ma is the submission of the forces of Fy re-arrange the formula to find Fps.
August 11, 2010

Physics 30
thank you =)
May 23, 2010

Physics 30
A particle accelerated by a potential difference enters a velocity selector. The particle travels staright when the magnetic field is 0.400 T and the electric field is 6.30 x 10^5 V/m. Once the electric field is turned off, a sensor determines that the radius or the particle&#...
May 23, 2010

Science
how does a cloud that is charged with electrons form? What is the charge (positive or negative) of such cloud?
March 29, 2010

algebra 3
tan7pi/6
March 23, 2010

physics
I Asked My Friend, But Thanks Anyways !!! =)
March 1, 2010

physics
Come Again? =S Can You Write the way to the answer please :) THANK YOUUU <3
March 1, 2010

physics
A car of mass 600 kg is travelling at 10m/s. when brakes are applied, it comes to rest in 10 M. what is the average force exerted by the brakes?
March 1, 2010

physics
never mind, i figured it out. thanks
January 21, 2010

physics
can you explain in detail because i tried to follow along with what my professor taught in class, but i couldnt understand anything.
January 21, 2010

physics
Three equal charges are placed at the corners of an equilateral triangle 0.46 m on a side. What are the magnitude of the force on each charge if the charges are each -4.1×10-9 C?
January 21, 2010

physics
Three equal positive point charges of magnitude Q = 4.00ì C are located at three corners of a square of edge length d = 6.9 cm. A negative charge -14.00ì C is placed on the fourth corner. At the position of the negative charge, what is the magnitude of the ...
January 21, 2010

Math..number string
25+10+15+15=
June 13, 2009

physics
the question gives a F(x), the force acting on a car vs t(s). It asks you to find in unit-vector notation p (momentum) I know that p is the area under the curve, but how would you write this in unit vector notation?
June 10, 2009

Human Geography
What is cultural landscape analysis?
November 16, 2008

social studies
How oil is obtained?
August 3, 2008

physics
A space vehicle is traveling at 4100 km/h relative to Earth when the exhausted rocket motor is disengaged and sent backward with a speed of 76 km/h relative to the command module. The mass of the motor is four times the mass of the module. What is the speed (in km/h) of the ...
July 7, 2008

physics
In February 1955, a paratrooper fell 370 m from an airplane without being able to open his chute but happened to land in snow, suffering only minor injuries. Assume that his speed at impact was 62 m/s (terminal speed), that his mass (including gear) was 71 kg, and that the ...
July 7, 2008

physics
an overhead view of the path taken by a 0.162 kg cue ball as it bounces from a rail of a pool table. The ball's initial speed is 1.11 m/s, and the angle è1 is 64.7°. The bounce reverses the y component of the ball's velocity but does not alter the x ...
July 7, 2008

math
how would I solve 5x+7=42
April 14, 2008

CHEMISTRY
3.5
February 20, 2007

science
Writing variables and hypothesses What about them? i dont even understand them and i have to make up 4 variables and hypothesses about independent and dependent variables i dont even understand them and i have to make up 4 variables and hypothesses about independent and ...
September 18, 2006

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