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Subject :NSO    Class : Class 9

A ball is thrown horizontally from a point 100 m above the ground with a speed of 20 m s-1. Which of the following statements is incorrect regarding the ball just before reaching the ground?

A Horizontal distance covered by the ball is 90.35 m.
B Time taken by the ball is 4.5 s.
C Speed of the ball is 49 m s-1
D Displacement of the ball 110√2m.


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