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OpenStudy (anonymous):
The position vector of a body moving in the x-y plane at time t seconds is given by r = cos2πωti+sin2 πωtj. Find the velocity of the body and show that its acceleration is always directed towards the origin
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OpenStudy (anonymous):
Take the derivative.
OpenStudy (anonymous):
I would differentiate twice actually.
OpenStudy (anonymous):
Go ahead
OpenStudy (anonymous):
You need to differentiate.
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