Saturday
August 30, 2014

Posts by BA


Total # Posts: 8

math
What is 3 fracture each fourth...5 fracture each half...3 fracture each third?
April 3, 2013

Physics
dont know
January 21, 2013

Physics
A 400 kg baby grand piano is raised to the roof of a 100 m building. If the cable breaks as it reaches this height, what will its velocity be the instant prior to impact? Use energy considerations and verify using kinematics.
December 8, 2012

Calculus
Nevermind, I see what you did. Thank you!
November 16, 2012

Calculus
Thanks, but how do you find the instantaneous velocity from that? I know that acceleration is the derivative from the equation of Instantaneous velocity.. but I don't know how to get the equation for it.
November 16, 2012

Calculus
A recording camera is located 2500 feet from the launch pad for recording a rocket launch. As the rocket lifts off, the angle of elevation of the camera increases 4 degrees per second while recording the launch. Find the instantaneous velocity and acceleration of the rocket at...
November 16, 2012

physics
A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 4.15 m/s relative to the ground. When the train moves at a constant velocity, the raindrops make an angle of 25° when they move past the window, as the ...
September 19, 2010

Chemistry
Why use Methyl tert-butyl ether in the organic chemistry lab when separating compounds? separating WHAT compounds and how? as a solvent? It has a low boiling point and isn't very reactive, generally, but there may be other specific reasons depending upon the compounds ...
November 21, 2006

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