Waec Model Questions Vol1 2020 Mathematics Question 20

Practice objective / multiple choice question 20 from the 2020 Waec Model Questions Vol1 Mathematics examination.

Waec Model Questions Vol1 2020 Mathematics Objective / Multiple Choice Medium Difficulty
Question 20 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • MATHEMATICS • objective

The time \(t\) (in seconds) taken for a particle to travel a distance \(s\) (in metres) under a constant force \(F\) (in newtons) varies directly with \(\sqrt{s}\) and inversely with \(F\). If it takes 8 s to travel 16 m when the force is 4 N, how long will it take to travel 25 m when the force is 9 N? Give your answer as a fraction in simplest form.

Answer Options

A. 45/8
B. 40/7
C. 35/9
Correct Answer D. 40/9
Correct Answer
D
Correct Option:
40/9

About This Question

This is Waec Model Questions Vol1 2020 Mathematics Question 20. It is a objective / multiple choice question from the 2020 Waec Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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