Neco Model Questions Vol1 2018 Mathematics Question 25

Practice objective / multiple choice question 25 from the 2018 Neco Model Questions Vol1 Mathematics examination.

Neco Model Questions Vol1 2018 Mathematics Objective / Multiple Choice Medium Difficulty
Question 25 NECO_MODEL_QUESTIONS_VOL1 • 2018 • MATHEMATICS • objective

The time \(t\) (in seconds) required for a particle to travel a distance \(s\) (in metres) under a certain force varies directly as \(\sqrt{s}\) and inversely as the cube of its speed \(v\) (in m\,s\(^{-1}\)). If it takes 8 s to travel 200 m at a speed of 4 m s\(^{-1}\), how long will it take to travel 450 m at a speed of 6 m s\(^{-1}\)? Give your answer to two decimal places.

Answer Options

Correct Answer A. 3.56
B. 4.12
C. 2.89
D. 5.03
Correct Answer
A
Correct Option:
3.56

About This Question

This is Neco Model Questions Vol1 2018 Mathematics Question 25. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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