Physics 2013 JAMB Past Questions

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1
When a brick is taken from the earth's surface to the moon, its mass
  • A. remains constant
  • B. reduces
  • C. increases
  • D. becomes zero
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2
The resultant of two forces is 50N. If the forces are perpendicular to each other and one of them makes an angle 0f 30o with the resultant, find its magnitude.
  • A. 100.0N
  • B. 57.7N
  • C. 43.3N
  • D. 25.0N
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3
The pair of physical quantities that are scalar only are ?
  • A. volume and area
  • B. moment and momentum
  • C. length and displacement
  • D. Impulse and time
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4
A simple pendulum of length 0.4m has a period of 2s. What is the period a similar pendulum of length 0.8m at the same place?
  • A. 8s
  • B. 4s
  • C. 2\(\sqrt{2}s\)
  • D. \(\sqrt{2}s\)
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5
A train with an initial velocity of 20ms-1 is subjected to a uniform deceleration of 2m-2. The time required to bring the train to a complete halt is?
  • A. 5s
  • B. 10s
  • C. 20s
  • D. 40s
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