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  • Question

  • A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be


  • Options
  • A. zero
  • B. 0.5 m/sec
  • C. 1.0 m/sec
  • D. 2.0 m/sec.

  • Correct Answer
  • 1.0 m/sec 

    • Applied Mechanics problems

    Search Results

    • 1. The moment of inertia of a triangular section (base b, height h) about centroidal axis parallel to the base, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 2. If l is the span of a light suspension bridge whose each cable carries total weight (w) and the central dip is y, the horizontal pull at each support, is

    • Options
    • A.
    • B.
    • C.
    • D. wl.
      • Discuss
    • 3. If the resultant of two forces P and Q acting at an angle ? makes an angle ? with P, then tan ? equals

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 4. The load shared by the member BC of the structure shown in below figure is

    • Options
    • A. 23t
    • B. 32t
    • C. 4 t
    • D. 3 t.
      • Discuss
    • 5. The moment of intertia of a circular lamina of diameter d, about an axis perpendicular to the plane of the lamina and passing through its centre, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 6. M.I. of solid sphere, is

    • Options
    • A. 2/3 Mr2
    • B. 2/5 Mr2
    • C. Mr2
    • D. ?r4/2
    • E. 1/2 Mr2.
      • Discuss
    • 7. The direction of projection should bisect the angle between the inclined plane and the vertical for a range of a projectile on inclined plane

    • Options
    • A. to be zero
    • B. to be maximum
    • C. to be minimum
    • D. none of the these.
      • Discuss
    • 8. The rotational velocity of a satellite is increased by 450 m per second if its launch is done from equator

    • Options
    • A. eastward
    • B. northward
    • C. westward
    • D. southward
    • E. upward.
      • Discuss
    • 9. The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

    • Options
    • A. 0.2 R
    • B. 0.3 R
    • C. 0.4 R
    • D. 0.5 R
    • E. 0.6 R.
      • Discuss
    • 10. The unit of impulse, is

    • Options
    • A. kg.m/sec
    • B. kg.m/sec3
    • C. kg.m/sec2
    • D. kg.m2/sec.
      • Discuss

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