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TS EAMCET Medical 30 Jul 2022 Shift 2 Paper

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Question : 85 of 160
 
Marks: +1, -0
The position of a particle is
→
r
=x
∧
i
+y
∧
j
 where x and y are function of time t and given as x=(12+5t−t2)m and y=(18−5t+t2)m. At t=1s, the magnitude of the velocity vector of the particle is
Validate
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