Physics Post UTME Questions.

Introduction

Good day viewers, and welcome to today’s class!
In this lesson, we’ll solve posture and physics questions compiled from past examination papers across several Nigerian universities. Our focus will be on motion, momentum, and gravitational acceleration—key topics in undergraduate physics courses and competitive exams like JAMB, POST-UTME, and WAEC.

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You can watch the full class in the video below:

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Question 1: Motion of a Ball at the Highest Point

Question:
A ball is thrown up into the air. At the highest point of its trajectory, the ball ______.

Options:

• A) is accelerating downward
• B) has zero acceleration
• C) is accelerating upward
• D) is still moving upward

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Explanation

When a ball is thrown vertically upward, it rises until it reaches its maximum height. At this highest point:

• The velocity becomes zero for an instant (the turning point).
• However, acceleration due to gravity (g) still acts downward throughout the motion.

Thus, even at the highest point, gravity pulls the ball downward, preparing it to fall.

Correct Answer: A) The ball is accelerating downward

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Question 2: Common Velocity After Collision

Question:
A ball of mass 200 g moves with a velocity of 8 m/s and collides, sticking to another ball of mass 300 g moving in the same direction with a velocity of 4 m/s.
What is the common velocity of the combined balls after the collision?

Common Velocity: 5.6 m/s

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Watch more educational videos and past questions: https://youtube.com/@allcbts

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Conclusion

In this session, we learned how to analyze the motion of a ball under gravity and apply the law of conservation of momentum in collision problems. Mastering these concepts is essential for exams like JAMB, POST-UTME, WAEC, and university physics courses.

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