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  1. J

    Design of an automotive bumper

    1. Homework Statement I have attached the assignment below. The weight of the car will be 3702lbs 2. Homework Equations 3. The Attempt at a Solution I am not sure if I am on the right track, but so far I have calculated the kinetic energy as; E=1/2 mv^2 0.5 x...
  2. J

    Design of an automobile bumper

    1. Homework Statement I have posted the assignment hand out. The weight of the car will be 3702lbs. 2. Homework Equations 3. The Attempt at a Solution Right now I am overwhelmed with this project, I am not really sure where to start. Here is my thoughts on where to start...
  3. J

    Trouble with calculating acceleration from velocitity using calculus

    I don't understand what is happening after the a=v dv/ds statement. If someone could explain the steps using calculus to end up with a=0.04s + 2 I would really appreciate it. I am trying to figure it out by reading over my old calculus notes, but I can't make a connection between the two...
  4. J

    Projectile Problem

    1. Homework Statement There is the question I am having trouble with. All the data is given in the image. I am to find "d". The slope being on an angle is what is throwing me off. It would be simple enough if the ground was perfectly horizontal, but I am not sure how to handle the 10...
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