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JEE Main & Advanced Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति Question Bank Self Evaluation Test - Work, Energy and Power

  • question_answer
    An escalator has 2400 W of power available to move passengers from the first floor of a mall to the second, 6.0 m vertically. If the average mass of the passengers is 65 kg, what is the maximum number of passengers that can be carried to the second floor in 1.0 minute?

    A) 4

    B) 5

    C) 22

    D) 37           

    Correct Answer: D

    Solution :

    [d] \[Pt=n\text{ }mgh\] \[2400\left( 60 \right)=n\left( 65 \right)\left( 9.8 \right)\left( 6 \right); n=37\]


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