Recent content by Anyone

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    3d vectors. Does a point lie on the line?

    Homework Statement L1 has the vector equation r=2i+3j-5k + t(4i-2j+k) Does the point (16,-3,-2) lie on the line? Homework Equations Unknown The Attempt at a Solution I have a simple(i think) vector question but i just don't know the method to work it out. I have searched on...
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    What can be calculated from a trolly rolling down an inclined plane?

    My values are off by about 2-3m/sec^2 with the difference decreaseing as the angle of the plane increases. This is down to friction(air and wheels). Is it possible to work out the coefficent of friction if I had the mass? I know all the other values so I can work out the difference between my...
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    What can be calculated from a trolly rolling down an inclined plane?

    Sorry, that wasn't very clear. I found g using g=a/sinѳ
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    What can be calculated from a trolly rolling down an inclined plane?

    Homework Statement Not a problem but an experiment were I have not been told what I need to calculate. I have a trolley rolling down an inclined plane. We recorded the speed(light gates) at two different points and all distances involved(height of plane, distance between gates etc). We did...