A particle moves along a circle of radius (20 𝜋 ) m with constant tangential acceleration. If the velocity of the particle is 80 ms −1 , at the end of seconds revolution after motion has begun, the tangential acceleration is

Question : A particle moves along a circle of radius (20 𝜋 ) m with constant tangential acceleration. If the velocity of the particle is 80 ms −1 , at the end of seconds revolution after motion has begun, the tangential acceleration is

(A) 40ms^{-2}

(B) 640ms^{-2}

(C) 1609ms^{-2}

(D) 40ms^{-2}

Answer : option (A)

Solution :

A particle moves along a circle of radius (20 𝜋 ) m with constant tangential acceleration. If the velocity of the particle is 80 ms −1 , at the end of seconds revolution after motion has begun, the tangential acceleration is
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