А masd Of 500kg a raised to a height of 6m In 30s Find (a) Workdone .​

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А masd
Of 500kg a raised to a height of 6m In 30s
Find (a) Workdone .​

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Tryphena 4 years 2021-09-04T06:51:01+00:00 1 Answers 57 views 0

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  1. phucdien
    0
    2021-09-04T06:52:38+00:00
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    Answer:

    Work done is 882000joule.

    power is 29400watt.

    Explanation:

    given,

    Mass(m)=500kg

    Acceleration due to gravity(g)=9.8m/s²

    Height(h)=6m

    Time taken(t)=30s

    Workdone=?

    Power=?

    now,

    workdone=force*displaxement

    = m*g*h

    =500*9.8*6

    =8,82,000joule

    so, the work done by the man is 8,82,000joule.

    then,

    power=workdone/time taken

    =8,82,000/30

    =29,400watt

    so, the required power to lift a load is 29,400watt.

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