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  • Question 1
    1 / -0

    Use the following information to answer the next question.

    A man lifts an LPG cylinder of mass 16 kg to load on a truck of height 1.2 m.

    What is the work done by the man to load 55 such cylinders?

  • Question 2
    1 / -0

    Use the following information to answer the next question.

    A body of mass 12 kg is placed on a hypothetical ice pole of length 5.4 m. The temperature around the pole is such that ice melts 1 cm every second.

    What is the energy possessed by the body after 3 minutes?

  • Question 3
    1 / -0

    One solar cell can provide 100 Watt hours of electrical energy. The given table lists the power consumed by different appliances and the time for which each is used daily

    Appliance Power (in watts) Time (in hours)
    Bulb 60 14
    Fan 40 12
    Fridge 1,000 24

    George has five bulbs, two fans, and one fridge. He wishes to run these appliances using solar cells.
    The numbers of solar cells required for this purpose are

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