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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Projectiles

Jamb Physics Questions - Projectiles

Question 1:
If the time of flight is 96seconds, calculate the horizontal range through the point of projection.
  • A 84400m
  • B 69000m
  • C 61440m
  • D 24000m
View Answer & Explanation
Question 2:
A ship travelling towards a cliff receives the echo of its whistle after 3.5 seconds. A short while later, it receives the echo after 2.5 seconds. If the speed of sound in air under the prevalling condition is 250ms -1, how much closer is the ship to the cliff?
  • A 10m
  • B 125m
  • C 175m
  • D 350m
  • E 1,000m
View Answer & Explanation
Question 3:
A train has an initial velocity of 44ms-1 and an acceleration of -4ms-1. Its velocity after 10 seconds is
  • A 2ms<sup style='font-size: smaller;'>-1</sup>
  • B 4ms<sup style='font-size: smaller;'>-1</sup>
  • C 8ms<sup style='font-size: smaller;'>-1</sup>
  • D 12ms<sup style='font-size: smaller;'>-1</sup>
  • E 16ms<sup style='font-size: smaller;'>-1</sup>
View Answer & Explanation
Question 4:
A ball is thrown vertically into the air with an initial velocity u. What is the greatest height reached?
  • A U2g
  • B \(\frac{3u^2}{2g}\)
  • C \(\frac{u^2}{g}\)
  • D \(\frac{u^2}{2g}\)
View Answer & Explanation
Question 5:
A 1000kg elevator is descending vertically with an acceleration of 1.0ms-2, if the acceleration due to gravity is 10ms-2, the tension in the suspending cable is
  • A 1.0N
  • B 10.0N
  • C 9000.0N
  • D 11 000N
View Answer & Explanation