Question : A particle moves along a semicircle of radius 10𝑚 in 5 seconds. The average velocity of the particle is
(A) 2\pi ms^{-1}
(B) 4\pi ms^{-1}
(C) 2\pi ms^{-1}
(D) 4\pi ms^{-1}
Answer : option (D)
Solution :
A particle moves along a semicircle of radius 10𝑚 in 5 seconds. The average velocity of the particle is
with
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