Recent content by naji0044

  1. naji0044

    Find an expression for the shear stress of this figure

    Summary: I have trouble to define the y distance in my coordinatesystem I need to find an expression for the shear stress on the I figure, where the green parabola illustrates the function. I made a cut, where I defined the length from the start of figure I to the cut as z1. The formula for...
  2. naji0044

    Rotational inertia - globes connected by a thin rod

    I am not sure how to calculate the rod when the rotation axis is right on the middle of it
  3. naji0044

    Rotational inertia - globes connected by a thin rod

    Okay so you use the formula I=Icm+Md^2 and therefore: 2/5*m1*r1^2+m1*(r1+1/2*L)^2 + 2/5*m2*r2^2+m2*(-r2-1/2*L)^2 + 1/12*m3*L+m3*1
  4. naji0044

    Rotational inertia - globes connected by a thin rod

    okay so for a solid sphere i use 2/5*m*r^2 and for the rod it is 1/12*m*L^2?
  5. naji0044

    Rotational inertia - globes connected by a thin rod

    Problem Statement: Finding the rotational inertia Relevant Equations: I=∑m*r^2 A rigid body of 2 massive globes with homogenous mass distribution and a thin rod is connecting the 2 globes. The globes has radius R1 = 0.18 m and R2 =0.28 m and masses m1=193 kg and m2=726 kg. The thin rod has...
  6. naji0044

    Inelastic collision problem: Bullet striking a wood block

    Hey everyone I'm struggling on the last part of this assignment. I need to find the total work done by the block and the bullet, when the collision happens. The informations is: mblock=0.3 kg mbullet=0.01 kg vg=700 m/s Height=0.72m The final speed after the collision is vf=22.6 m/s and the...
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