Wednesday
October 22, 2014

Posts by Ramana


Total # Posts: 18

PHYSICS
Two identical teflon rods are 10 centimeters long and rubbed with fur so that they each have a total negative charge of 20 microCoulombs that is uniformly distributed along their length. They are arranged along the same axis, with their ends 5 centimeters apart. What is the ...
January 27, 2014

PHYSICS
Two identical teflon rods are 10 centimeters long and rubbed with fur so that they each have a total negative charge of 20 microCoulombs that is uniformly distributed along their length. They are arranged along the same axis, with their ends 5 centimeters apart. What is the ...
January 27, 2014

PHYSICS
In question no.2 a) torque would be 2*F*r/2? I am confused that from top view, which force we have to use?
December 6, 2013

PHYSICS
Hi enjoy,I got (2*g/5)(3*sin(theta-1) which is not in options.. Can you please show me how to get 2*g/9? I appreciate your help.
December 6, 2013

PHYSICS
block 3M slides downward without friction. The string connecting blocks 3M and M is ideal (that is, its mass can be neglected and it is not stretchable). The pulley, a uniform solid disc of mass M and radius r , rotates without slipping. Find the acceleration of block 3M.
December 6, 2013

Physics Important please
Thank you very very much
November 26, 2013

Physics Important please
After the velocity selector, a mass spectrometer allows the charged particle to enter a region of magnetic field only, where it follows a curved trajectory and hits a detector which records his position. Your mass spectrometer has the velocity selector set for 2.39 x 10^5 m/s ...
November 26, 2013

Physics please HELP
After the velocity selector, a mass spectrometer allows the charged particle to enter a region of magnetic field only, where it follows a curved trajectory and hits a detector which records his position. Your mass spectrometer has the velocity selector set for 2.39 x 10^5 m/s ...
November 26, 2013

physics
The angular momentum of a planet is conserved if taken with respect to: a)The center of the ellipse b) The focus of the ellipse at the sun c)The focus of the ellipse opposite the sun d)Both foci of the ellipse
November 15, 2013

Physics Urgent please help
Thank you very much Damon
November 13, 2013

Physics Urgent please help
A physical pendulum consists of a body of mass contained in the xy-plane. The moment of inertia of the object about an axis perpendicular to the plane and passing through the object's center of mass is I_cm . The object oscillates in the xy-plane about the point S a ...
November 13, 2013

Physics please HELP
Thank you
November 12, 2013

Physics please HELP
Hi, Damon you mean c is the answer?
November 12, 2013

Physics please HELP
A meteor is approaching. Assume that the meteor started very far away from the earth and just grazes the earth. You may ignore all other forces except gravitational force between earth and meteor. Assume that mass of the meteor is much smaller than mass of the earth. With ...
November 12, 2013

PHYSICS(HELP)
doesnot be theta= 81.7872degree? I have R=12m
November 1, 2013

School Physics
A large charge distribution Q exists at the center of a cube. It is surrounded by six smaller charges, q , each facing a direction perpendicular to a face of the cube.What is the electric flux through one of the sides of the cube?
October 27, 2013

School Physics
A large charge distribution Q exists at the center of a cube. It is surrounded by six smaller charges, q , each facing a direction perpendicular to a face of the cube.What is the electric flux through one of the sides of the cube?
October 27, 2013

10th
what rate willl an amount double itself in 20 years at simple interest?
June 18, 2008

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