The average velocity of a particle moving in a straight line, with constant acceleration 'a' and initial velocity 'u' in first 't' seconds is:

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u + at

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u + (at/2)

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(u + at)/2

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Solution

The correct option is C
u + (at/2)

$A v e r a g e V e l o c i t y = \frac{T o t a l d i s p l a c e m e n t}{T o t a l t i m e}$

$A v e r a g e V e l o c i t y = \frac{u t + \frac{{a t}^{2}}{2}}{t}$

$= u + \frac{a t}{2}$

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The average velocity of a particle moving in a straight line, with constant acceleration 'a' and initial velocity 'u' in first 't' seconds is:

The correct option is C u + (at/2) AverageVelocity=Total displacementTotal time AverageVelocity=ut+at22t =u+at2

The correct option is C
u + (at/2)

$A v e r a g e V e l o c i t y = \frac{T o t a l d i s p l a c e m e n t}{T o t a l t i m e}$

$A v e r a g e V e l o c i t y = \frac{u t + \frac{{a t}^{2}}{2}}{t}$

$= u + \frac{a t}{2}$