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More from Jesrayne Nascimento (20)
Lista upe 03
- 2. 𝑬 𝒑𝒈 = 𝑸 ; 𝑬 𝒑𝒈 = 𝒎. 𝒈. 𝒉 e 𝑸 = 𝑴. 𝒄. ∆𝑻
𝒎. 𝒈. 𝒉 = 𝑴. 𝒄. ∆𝑻
𝒎 𝒈𝒉
∆𝑻 =
𝑴 𝒄
- 5. ∆𝑸 𝑨 𝑨 𝑨 . ∆𝑻
= 𝒌𝑨
∆𝒕 𝑳𝑨
∆𝑸 𝑩 𝑨 𝑩 . ∆𝑻
= 𝒌𝑩
∆𝒕 𝑳𝑩
𝒌𝑩
𝒌𝑨 =
∆𝑸 𝑨 ∆𝑸 𝑩 𝟒
=
∆𝒕 ∆𝒕 𝟐
𝒅𝑨
𝑨 𝑨 = 𝝅. 𝒓 𝟐𝑨 = 𝝅.
𝑨 𝑨 . ∆𝑻 𝑨 𝑩 . ∆𝑻 𝟐
𝒌𝑨 = 𝒌𝑩 ;
𝑳𝑨 𝑳𝑩 𝒅𝑩
𝟐
𝑨 𝑩 = 𝝅. 𝒓 𝟐𝑩 = 𝝅.
𝟐
𝟐 𝟐
𝒅𝑨 𝒅𝑩 𝟒𝒅 𝟐𝑩 𝒅 𝟐𝑩
𝒌 𝑨 . 𝝅. = 𝒌 𝑩 . 𝝅. 𝒌 𝑨. = 𝒌 𝑩.
𝟐 𝟐 𝟒 𝟒
- 6. ∆𝑸 𝑨. ∆𝑻
= 𝒌
∆𝒕 𝑳
𝑨. ∆𝑻. ∆𝒕 ∆𝑸 = 𝒎 𝑯𝟐𝑶 . 𝑳 𝒇
∆𝑸 = 𝒌 ;
𝑳
𝟎, 𝟖𝟎. 𝟑𝟎. 𝟖, 𝟔𝟒. 𝟏𝟎 𝟔
𝑨. ∆𝑻. ∆𝒕 𝒎 𝑯𝟐𝑶 = 𝟎, 𝟎𝟏.
𝟐. 𝟏𝟎−𝟐 . 𝟑, 𝟐. 𝟏𝟎 𝟓
𝒎 𝑯𝟐𝑶 . 𝑳 𝒇 = 𝒌.
𝑳
𝑨. ∆𝑻. ∆𝒕 𝒎 𝑯𝟐𝑶 = 𝟑, 𝟐𝟒 𝒌𝒈
𝒎 𝑯𝟐𝑶 = 𝒌.
𝑳. 𝑳 𝒇
- 7. 𝑸 = 𝒎 𝑯𝟐𝑶 . 𝑪 𝑯𝟐𝑶 . ∆𝑻 𝑯𝟐𝑶
𝟏 𝒄𝒂𝒍
𝑸 = 𝟏𝟎𝟎𝒈. . 𝟖𝟎 ℃ 𝑬
𝒈℃ 𝑷= ; 𝑬= 𝑸
∆𝒕
𝑸 = 𝟖𝟎𝟎𝟎 𝒄𝒂𝒍 ou
𝑸
𝑷= 𝟑𝟑𝟔𝟎𝟎 𝑱
𝑸 = 𝟑𝟑𝟔𝟎𝟎 𝑱 ∆𝒕 ∆𝒕 =
𝑸 𝟐𝟎𝟎 𝑾
∆𝒕 =
𝑷 ∆𝒕 = 𝟏𝟔𝟖 𝒔
