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in Physics by (74.0k points)
An ant travels along a long rod with a constant velocity ii relative to the rod starting from the origin. The rod is kept initially along the positive x-axis. At t = 0, the rod also starts rotating with an angular velocity w (anticlockwise) in x-y plane about origin. Then
A. the position of the ant at any time t is `bar(r)=ut(cos omegathati+sinomegahatj)`
B. the speed ofthe ant at any time t is `usqrt(1+omega^(2)t^(2))`
C. the magnitude of the tangential acceleration of the ant at uny time t is `(omega^(2)tu)/(sqrt(1+omega^(2)t^(2)))`
D. the speed of the ant at any time t is `sqrt(1+2omega^(2)t^(2)u)`

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1 Answer

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by (73.8k points)
Correct Answer - A::B::C

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