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Tuesday, 19 May 2026
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Physics Past Questions and Answers

Jamb 1987 Physics Questions

Question 1:
Which of the following units is equivalent to kgms-1?
  • A Ns<sup style='font-size: smaller;'>-1</sup>
  • B Nms<sup style='font-size: smaller;'>-1</sup>
  • C Ns
  • D Js<sup style='font-size: smaller;'>-1</sup>
View Answer & Explanation
Question 2:
Which of the following units is equivalent to kgms-1?
  • A Ns<sup style='font-size: smaller;'>-1</sup>
  • B Nms<sup style='font-size: smaller;'>-1</sup>
  • C Ns
  • D Js<sup style='font-size: smaller;'>-1</sup>
View Answer & Explanation
Question 3:
A jet engine develops a thrust of 270Ns when the velocity of the exhaust gases relative to the engine is 300ms-1. What is the mass of the material ejected per second?
  • A 81.00kg
  • B 9.00kg
  • C 0.90kg
  • D 0.09kg
View Answer & Explanation
Question 4:
A man walks 8km north and then 5km in a direction 60o east of north. Find the distance from his starting point
  • A 11.36km
  • B 12.36km
  • C 13.00km
  • D 14.36km
View Answer & Explanation
Question 5:
An elevator of mass 4800kg is supported by a cable which can safely withstand a maximum tension of 60 000N. The maximum upward acceleration the elevator can have is
  • A 2.5ms<sup style='font-size: smaller;'>-2</sup>
  • B 5.0ms<sup style='font-size: smaller;'>-2</sup>
  • C 7.5ms<sup style='font-size: smaller;'>-2</sup>
  • D 10.0ms<sup style='font-size: smaller;'>-2</sup>
View Answer & Explanation