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2-Dimensional motion query

  1. Jul 28, 2015 #1
    1. The problem statement, all variables and given/known data:
    Question 1: A body is projected with speed u at an angle theta with the horizontal. Find the change in velocity in time t.

    Question 2: A body is projected with speed u at an angle theta with the horizontal. Find the speed of body at a height h.

    Both the questions are somehow related and that's why I've included both question in one thread.


    2. Relevant equations: Equations from 2-D Kinematics and vector and maybe some calculus.


    3. The attempt at a solution:
    I tried to use dv/dt but I'm not able to figure out that to what quantity/value should it be equal. And it's throwing me off :/

     
  2. jcsd
  3. Jul 28, 2015 #2
    You really don't need to use calculus here. Can you try and set up the kinematics for it?
     
  4. Jul 28, 2015 #3
    hmm..Tried using kinematics equations but that landed me no where. Can you please show me that how will it be done?
     
  5. Jul 28, 2015 #4
    Can you show your work?
     
  6. Jul 28, 2015 #5
    I don't have a camera right now and the laptop's camera isn't that good (it captued everything pixelated).
     
  7. Jul 28, 2015 #6

    haruspex

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    You should not be trying to post images of your own algebra. That's for pages from books and diagrams. Take the trouble to type your working into a post, preferably using LaTeX.
     
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