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Motion in A Plane question

2002 · Q153
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Motion in A Plane question

2002 · Q153

NEETPhysicsMotion in A PlaneMCQ+4 / −1
A particle A is dropped from a height and another particle B is projected in horizontal direction with speed of 5/sec from the same height then correct statement is
  1. A
    particle A will reach at ground first with respect to particle B
  2. B
    particle B will reach at ground first with respect to particle A
  3. C
    both particles will reach at ground simultaneously
  4. D
    both particles will reach at ground with same speed.
View written solutionFree

Correct answer: C

Time required to reach the ground is dependent on the vertical motion of the particle. Vertical motion of both the particles A and B are exactly same. Although particle B has an initial velocity, but that is in horizontal direction and it has no component in vertical (component of a vector at a direction of 90o = 0) direction. Hence they will reach the ground simultaneously.

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