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Discussion Response Post to: Kinematics

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Soumen Goswami (2446)

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Consider the function v(t), where v is the velocity of the particle.
v(0) = v(1) = 0
Then by Rolle's theorem, there exists at least one value of t at which v'(t) = 0, i.e,

= 0.
Hence,

changes sign in the interval (0,1).
Hence (a).
The reason for (c) is provided by akku

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