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Monday, 17 August 2026
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Physics Past Questions and Answers

Topic: Projectiles

Jamb Physics Questions - Projectiles

Question 31:
If the time of flight is 96 seconds, calculate the horizontal range through the point of projection.
  • A 84400m
  • B 69000m
  • C 61440m
  • D 24000m
View Answer & Explanation
Question 32:
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 350m
  • C 175m
  • D 125m
View Answer & Explanation
Question 33:
A ball of mass 0.1kg is thrown vertically upwards with a speed of 10ms\(^{-1}\) from the top of a tower 10m high. Neglecting air resistance, its total energy just before hitting the ground is? (Take g = 10ms\(^{-2}\))
  • A 5J
  • B 10J
  • C 15J
  • D 20J
View Answer & Explanation
Question 34:
A ball of mass 0.5kg moving at 10ms\(^{-1}\) collides with another ball of equal mass at rest. If the two balls move off together after the impact, calculate their common velocity.
  • A 0.2ms\(^{-1}\)
  • B 0.5ms\(^{-1}\)
  • C 5.0ms\(^{-1}\)
  • D 5.5ms\(^{-1}\)
View Answer & Explanation
Question 35:
Find the tension in the two cords shown in the figure above. Neglect the mass of the cords, and assume that the angle is 38° and the mass m is 220 kg



[Take g = 9.8 ms-2]
  • A \(T_1\) = 2864 N, \(T_2\)= 3612 N
  • B \(T_1\)= 3612 N, \(T_2\) = 2864 N
  • C \(T_1\)= 3502 N, \(T_2\)= 2760 N
  • D \(T_1\) = 2760 N, \(T_2\) = 3502 N
View Answer & Explanation