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Physics 1993 JAMB Past Questions

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1
Which of the following quantities has the same unit as the watt?
  • A. Force x time
  • B. Force x distance
  • C. Force x acceleration
  • D. Force x velocity
View Answer & Discuss (5) JAMB 1993
2

The external and internal diameter of a tube are measured as (32 ± 2)mm and (21 ± 1)mm respectively. Determine the percentage error in the thickness of the tube.

  • A. 27%
  • B. 14%
  • C. 9%
  • D. 3%
View Answer & Discuss (27) JAMB 1993
3
Two forces of magnitudes 7N and 3N act at right angles to each other. The angle \(\theta\) between the resultant and the 7N force is given by
  • A. cos\(\theta\) = \(\frac{3}{7}\)
  • B. sin\(\theta\) = \(\frac{3}{7}\)
  • C. tan\(\theta\) = \(\frac{3}{7}\)
  • D. cot\(\theta\) = \(\frac{3}{7}\)
View Answer & Discuss (5) JAMB 1993
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4
A rocket burns fuel at the rate of 10kgs-1 and ejects it with velocity of 5 x 103ms-1. The thrust exerted by the gas on the rock is
  • A. 2.5 x 107N
  • B. 5.0 x 104N
  • C. 5.0 x 102N
  • D. 2.0 x 10-3N
View Answer & Discuss (7) JAMB 1993
5
The force experienced by an object of mass 60.0kg in the moon's gravitational field is 1.002 x 102N. What is the intensity of the gravitational field?
  • A. 0.60Nkg-1
  • B. 1.67Nkg-1
  • C. 6.12 x 102Nkg-1
  • D. 9.81ms-2
View Answer & Discuss (5) JAMB 1993
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