Motion in A Plane

Question: A ball is rolled off the edge of a horizontal table at a speed of 4 m/second. It hits the ground after 0.4 second. Which statement given below is true



1) It hits the ground at a horizontal distance 1.6 m from the edge of the table
2) The speed with which it hits the ground is 4.0 m/second
3) Height of the table is 0.8 m
4) It hits the ground at an angle of 60o to the horizontal
Solution: Explanation: Explanation
horizontal-projectile-motion

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