Neco Model Questions Vol1 2021 Mathematics Question 5
Practice objective / multiple choice question 5 from the 2021 Neco Model Questions Vol1 Mathematics examination.
The speed \(v\) (in metres per second) of a car varies directly as the square of the gear number \(n\) and inversely as the resistance \(r\) (in kilograms). When the car is in 3rd gear and the resistance is 2 kg, its speed is 48 m s\(^{-1}\). Find the speed of the car when it is in 5th gear and the resistance is 3 kg. Give your answer as an exact fraction.
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About This Question
This is Neco Model Questions Vol1 2021 Mathematics Question 5. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Medium .
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