Neco 2020 Physics Question 7
Practice objective / multiple choice question 7 from the 2020 Neco Physics examination.
Sand is fed onto a moving conveyor belt at a rate of \(0.4\ \text{kg s}^{-1}\). The belt moves horizontally at a constant speed of \(1.5\ \text{m s}^{-1}\) and lifts the sand to a height of \(2\ \text{m}\) above the ground. If the motor driving the belt has an efficiency of \(75\%\), calculate the minimum power that must be supplied by the motor in watts.
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About This Question
This is Neco 2020 Physics Question 7. It is one of the objective questions from the 2020 Neco Physics examination.
Difficulty level: Medium .
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