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A ball is projected from ground at angle q with the horizontal. After t = 1 s, it is moving at 45° with the horizontal and after t = 2 second, it is moving horizontally. What is speed of projection of ball? [g = 10 m s–2]

Option 1 -

10√2 m/s

Option 2 -

10√3 m/s

Option 3 -

20 m/s

Option 4 -

10√5 m/s

0 1 View | Posted 16 hours ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    16 hours ago
    Correct Option - 4


    Detailed Solution:
    Kindly go through the solution

     

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