Kinematics Test By Anshul Valecha

6 Questions | Total Attempts: 53

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Kinematics Test By Anshul Valecha


Questions and Answers
  • 1. 
    • A. 

      5 units

    • B. 

      12 units

    • C. 

      13 units

    • D. 

      17 units

  • 2. 
    An insect fly start from one corner of a cubical room and reaches at diagonally opposite corner. The magnitude of the displacement of the insect is 40 (3)1/2. The volume of the cube is
    • A. 

      64000 ft3

    • B. 

      1600 ft3

    • C. 

      64(3)1/2 ft3

    • D. 

      None of these

  • 3. 
    In previous problem, if the insect does not fly but crawls, what is the minimum distance travelled by insect?
    • A. 

      89.44 ft

    • B. 

      95.44 ft

    • C. 

      40 ft

    • D. 

      80 ft

  • 4. 
    The displacement of a body from a reference point, is given by, (x)1/2 = 2t + 3, where x is in meter and t in seconds. This shows that the body is
    • A. 

      At rest

    • B. 

      Accelerated

    • C. 

      Decelerated

    • D. 

      In uniform motion

  • 5. 
    A train starting from rest travels the first part of its journey with constant acceleration a, second part with constant velocity v and third part with constant retardation a, being brought to rest. The average speed for the whole journey is 7v/8. The train travels with constant velocity for …….. of the total time
    • A. 

      3/4

    • B. 

      7/8

    • C. 

      5/6

    • D. 

      9/7

  • 6. 
    If a, b and c be the distances traveled by the body during xth, yth and zth second from start, then which of the following relation is true?
    • A. 

      A (y - z) + b (z - x) + c (x - y) = 0

    • B. 

      A (x - y) + b (y - z) + c (z - x) = 0

    • C. 

      A (z - x) + b (x - y) + c (y - z) = 0

    • D. 

      Ax + by + cz = 0

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