A body starting from rest, accelerates at a constant rate a m/s² for some time after which it decelerates at a constant rate b m/s² to come to rest finally. If the total time elapsed is t sec, the maximum velocity attained by the body is given by

Question:

Options :

(a)(ab/a+b)t m/s
(b)(ab/a-b)t m/s
(c)(2ab/a+b)t m/s
(d)(2ab/a-b)t m/s

Answer :

(a)(ab/a+b)t m/s

Answer Steps :

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Step 3:

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Related Questions

The kinetic energy of a particle executing a linear SHM is 16 J, when it is in the mean position. If the amplitude is 25 cm, periodic time of the particle in second is (Mass of the particle = 51.2 g)

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