Recent content by Misheel

  1. Misheel

    Oscillation Problem: Find Period and Potential Energy

    Maybe the work done by force is divided into object's konetik and potential energy ?
  2. Misheel

    Oscillation Problem: Find Period and Potential Energy

    Thank You for your reply, Vela umm...then, i have no other ideas other than using FORCE to solve this problem :PP which is : F=-kx Fx=F=-4*sin(3*pi*x)=-kx from this we find k=4*sin(3*pi*x)/x so Ep=kx^2/2=2*sin(3*pi*x)*x ? is it right ? :P Thanks
  3. Misheel

    Oscillation Problem: Find Period and Potential Energy

    Homework Statement mass "m" object is located near the origin of the coordinate system. External force was exerted on the object depending on the coordinate by the formula of Fx=-4*sin(3*pi*x). Find the short oscillation period, and the potential energy depending on the coordinate. Homework...
  4. Misheel

    How Long Does It Take for 10 Meters of a Rolled Flag to Unwrap?

    sorry for asking a lot >.< but translational motion is the motion of the object consisted of both straight and rolled part right ? (which means CM is in the air if we picture it ?) and then where is the time coming ? and thanks for all the advice :D
  5. Misheel

    How Long Does It Take for 10 Meters of a Rolled Flag to Unwrap?

    so... so it means i have to find the relation between rotating flag's potential and rotating energy, and wrapped off flag's potential energy ? and the mass is changing right... also one is what i can't find >.< ...
  6. Misheel

    How Long Does It Take for 10 Meters of a Rolled Flag to Unwrap?

    Homework Statement The flag is d=2mm thick and D=30 m long. We roll the flag and stick the short side of the flag (long side is 30m, short side's length is not given) on the ceiling so that the flag unwraps back to the ground. Flag is M=30kg. 1. Find the time it takes to 10 m of the flag to get...
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