Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Trending News

Promoted
MuniR Muthohar
Lv 6
MuniR Muthohar asked in Sains & MatematikaFisika · 10 years ago

Mau tanya tentang fisika please jawab secepatnya ya penting soalnya?

1.sebuah benda hitam sempurna bersuhu 327 drajad celcius berapakah energi persatuan waktu yg dipancarkan benda hitam....?

2.tentukan perbandingan jumlah energi yang dipancarkan tiap sekon benda hitam pada temperatur 200 kelvin dan 400kelvin please anwer

1 Answer

Rating
  • Anonymous
    10 years ago
    Favorite Answer

    (1).

    P/A = e σ T⁴

    P/A = (1)(5.672 * 10^(-8))(327 + 273)⁴

    P/A = 7350.91 watt/m²

    (2).

    w : W = t⁴ : T⁴

    w/W = 200⁴ : 400⁴

    w/W = 1 : 16

Still have questions? Get your answers by asking now.