Search SchoolNGR

Monday, 17 August 2026
Register . Login

Physics Past Questions and Answers

Topic: Projectiles

Jamb Physics Questions - Projectiles

Question 6:
A body rolls down a slope from a height of 100m. its velocity at the foot of the slope is 20ms-1. What percentage of its initial potential energy is converted into kinetic energy? [g = 10ms-1]
  • A 40%
  • B 35%
  • C 20%
  • D 15%
View Answer & Explanation
Question 7:
the fig above shows displacement-time graphs for three different motions. which of the following statements is correct
  • A Graph 2 corresponds to the highest velocity
  • B Graph 1 corresponds to zero gravity
  • C Graph 3 corresponds to a particle moving in the negative x direction
  • D Graph 2 corresponds to a particle moving in the positive x direction
View Answer & Explanation
Question 8:
A small metal ball thrown vertically upwards from the top of a tower with an initial velocity of 20ms-1. If the ball took a total of 6s to reach ground level, determine the height of the tower [g = 10ms-2]
  • A 60m
  • B 80m
  • C 100m
  • D 120m
View Answer & Explanation
Question 9:
A stone, Q is thrown with velocity U at an angle of 75o to the horizontal. Another stone R is thrown with the same velocity U but with an angle of 15o to the horizontal. The ranges covered by the stones will be
  • A Greater for Q
  • B Greater for R
  • C The same for Q and R
  • D Greater for the heavier of the two stones
View Answer & Explanation
Question 10:
An object is projected with a velocity of 80ms-1 at an angle of 30o to the horizontal.The maximum height reached is
  • A 20m
  • B 80m
  • C 160m
  • D 320m
View Answer & Explanation