pertemuan 2
Quiz
•
Physics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Gita adriana
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sejumlah gas ideal mengalami proses seperti digambar berikut.
proses yang menggambarkan adiabatik dan isokhorik berturut-turut ditunjukkan pada nomor..
a. 1-2 dan 3-4
b. 1-2 dan 4-5
c. 2-3 dan 1-2
d. 2-3 dan 1-2
e. 2-3 dan 3-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah mesin pendingin memiliki reservoir suhu rendah sebesar -15°C. Jika selisih suhu tinggi dan suhu rendahnya sebesar 40°C, tentukan koefisien performan mesin tersebut...
a. 5,55
b. 6,00
c. 6,45
d. 7,45
e. 8,00
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Terdapat gas yang menempati ruang 15 cm3. Gas tersebut kemudian dipanaskan pada tekanan tetap sehingga volumenya menjadi 45 cm3. Jika tekanan gas menjadi 205 N/m2, maka usaha yang dilakukan gas adalah
a. 100 J
b. 92 J
c. 89 J
d. 80 J
e. 96 J
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mesin carnot bekerja pada suhu tinggi 600 K, untuk menghasilkan kerja mekanik. Jika mesin menyerapkan kalor 600 J dengan suhu 400 K, maka usaha yang dihasilkan adalah
a. 120 J
b. 124 J
c. 135 J
d. 148 J
e. 200 J
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika sebuah mesin yang memiliki efisiensi terbesar 25% dalam operasinya membuang sebagian kalor ke tandom dingin yang bertemperatur 0°C maka tandom panasnya bertemperatur
a. 76 °C
b. 91 °C
c. 170 °C
d. 100 °C
e. 364°C
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