Neco Model Questions Vol1 2021 Physics Question 5
Practice objective / multiple choice question 5 from the 2021 Neco Model Questions Vol1 Physics examination.
A block of mass \(2\ \text{kg}\) is released from rest at the top of a smooth incline that is \(5\ \text{m}\) long and makes an angle of \(30^{\circ}\) with the horizontal. The coefficient of kinetic friction between the block and the incline is the same as that on the horizontal surface at the bottom. After reaching the bottom, the block moves onto a horizontal surface where it compresses a spring of spring constant \(k=800\ \text{N\,m}^{-1}\) by \(0.10\ \text{m}\) and momentarily comes to rest. Determine the coefficient of kinetic friction \(\mu_{k}\) (to two decimal places).
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About This Question
This is Neco Model Questions Vol1 2021 Physics Question 5. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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