An electric kettle is rated at 2kW. How much energy is transferred in 30s?

Question

An electric kettle is rated at 2kW. How much energy is transferred in 30s?

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Hồng Cúc 5 months 2021-08-27T04:46:03+00:00 2 Answers 2 views 0

Answers ( )

  1. Dau
    0
    2021-08-27T04:47:43+00:00
    Reply

    Answer:

    60,000 Joules

    Explanation:

    GIVEN:

    Power = 2kW = 2000 W

    Time = 30 sec

    REQUIRED:

    Energy = ?

    SOLUTION:

    Power = Energy / Time

    Making Energy the subject of formula

    Energy = Power × Time

    E = 2000 W × 30 s

    E = 60,000 Joules

  2. thuhuong
    0
    2021-08-27T04:47:59+00:00
    Reply

    Answer : 60,000 Joule

    ✑ Given :

    • Power = 2 KW = 2 × 1000 W = 2000 W ( since 1 KW = 1000 W )
    • Time taken = 30 seconds

    ✑ To find :

    • Energy

    ☞ Solution :

    ✾ Energy = Power × Time ✾

    = 2000 × 30

    = 60,000 Joule

    Hope I helped!

    ツ Have a wonderful day / night !♡

    ~TheAnimeGirl ♪

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