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The height y and the distance x along the horizontal plane of a projectile on a certain planet (with no surrounding atmosphere) are given by ) 5 8 ( 2 t t y   meter and t x 6  meter , where t is in second. The velocity with which the projectile is projected is

1. 8 m / sec
2. 6 m / sec
3. 10 m / sec
4. Not obtainable from the data (SECTION-B)

Correct answer: 10 m / sec

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