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Motion in A Plane question

2003 · Shift 0 · Q173
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Motion in A Plane question

2003 · Shift 0 · Q173

JEE MainPhysicsMotion in A PlaneMCQ+4 / −1
A boy playing on the roof of a 10 m high building throws a ball with a speed of 10 m/s at an angle of 30∘30^\circ30∘ with the horizontal. How far from the throwing point will the ball be at the height of 10 m from the ground? [g=10m/s2,sin⁡30∘=12,cos⁡30∘=32]\left[ {g = 10m/{s^2},\sin 30^\circ = {1 \over 2},\cos 30^\circ = {{\sqrt 3 } \over 2}} \right][g=10m/s2,sin30∘=21​,cos30∘=23​​]
  1. A
    5.20 m
  2. B
    4.33 m
  3. C
    2.60 m
  4. D
    8.66 m
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