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Third Equation of Motion

A bicycle ini...

Question

A bicycle initially moving with a velocity of 5 m/sec accelerates for 5 seconds at the rate of 2m/sec(square) . Calculate its final velocity.

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Solution

Dear student
$i n i t i a l v e l o c t y u = 5 m / s t = 5 s e c a c c e l e r a t i o n i s g i v e n a = (2 / 5 m / s^{2}) f i n a l v e l o c i t y v ? a c c e l e r a t i o n a = \frac{v - u}{t} v = u + a t v = 5 + \frac{2}{5} \times 5 v = 7 m / s R e g a r d s$

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