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Topic: Vector of particle  (Read 2072 times)

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Offline greentea11

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Vector of particle
« on: May 25, 2014, 08:50:58 AM »
Question is attached

an equation I can think of is acceleration is d2r/dt

How do I show acceleration is towards the origin? Not quite sure how to go about the question, any tips welcome
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Offline Borek

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Re: Vector of particle
« Reply #1 on: May 25, 2014, 10:03:00 AM »
Can you plot the trajectory?
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Offline Corribus

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Re: Vector of particle
« Reply #2 on: May 25, 2014, 10:07:47 AM »
Quote from: greentea11 on May 25, 2014, 08:50:58 AM
an equation I can think of is acceleration is d2r/dt
Sounds like this might be a good place to start. Have you taken the second derivative of that equation wrt t?
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