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Two second after projection, a projectil...

Two second after projection, a projectile is travelling in a direction inclined at `30^(@)` to the horizontal. After one more second, it is travelling horizontally. Find the magnitude and direction of the velocity of projection.

A

the velocity of projection is 20 m/s

B

the velocity of projection is `20sqrt3 m//s`

C

the angle of projection is `30^(@)` with vertical.

D

the angle of projection is `30^(@)` with horizontal

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The correct Answer is:
B.C
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FIITJEE-KINEMATICS-ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-II
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