Recent content by colerelm1

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    What Is the Size Order of Atoms, Electrons, Molecules, Organelles, and Cells?

    Homework Statement 4. atom, cell, electron, organelle, molecule. Define each of these terms and list them according to size from smallest to largest. Which of these, if any, are visible in the compound light microscopes we use in lab? Homework Equations The Attempt at a Solution largest to...
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    Ball bearing launched from point

    Homework Statement In my physics class we shot a ball bearing horizontally 85.4cm off the ground and we recorded the distance at which it landed. How can I find the initial velocity? The average distance traveled was 250.24 cm. What if I was not provided I distance, how could I calculate...
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    How to Prove Vector Identity k = (a+b)(c+d)?

    Oh, yeah I know how to do that but what if what I meant by "k = (a+b) (c+d)" was actually the dot product of k = (a+b) (c+d) instead of just k = (a+b) x (c+d)? Does that make a difference?
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    How to Prove Vector Identity k = (a+b)(c+d)?

    I guess I don't...Could you please explain?
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    How to Prove Vector Identity k = (a+b)(c+d)?

    Homework Statement The following are all vectors: a, b, c, d k = (a+b) (c+d) prove: k = (a x c) + (a x d) + (b x c) + (b x d) Homework Equations The Attempt at a Solution I have tried to start it by doing: |a| = a = sqrt(a_x^2 + a_y^2) is that a correct start at it? I...