WAEC Physics 2018 Objective — Question 14
Question 14 of 50 from the West African Examinations Council (WAEC) Physics 2018 Objective paper, with the correct answer and a full explanation.
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A football is kicked at an angle of 45° to the horizontal over a defence line with a velocity of 15ms⁻¹. Calculate the magnitude of horizontal velocity of the ball at its highest point.
- A. 0.0ms⁻¹
- B. 5.6ms⁻¹
- C. 10.6ms⁻¹Correct
- D. 15.0ms⁻¹
Explanation
The horizontal component of velocity stays constant throughout the flight: 15cos45° ≈ 10.6ms⁻¹.
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