The position vector of the particle is r(t)=acos \omegati^{⋀}+asin \omegatj^{⋀}, where a and ω are real constants of suitable dimensions. The acceleration is

Correct Answer is : perpendicular to the velocity

perpendicular to the position vector

always along the direction of t

KEAM 2018 Physics and Chemistry Paper

Question : 12 of 120

Marks: +1, -0

The position vector of the particle is r(t)=acos ωt

⋀

+asin ωt

⋀

, where a and ω are real constants of suitable dimensions. The acceleration is

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