Berapa besar kalor yang diperlukan untuk menaikkan suhu sebatang besi yang massanya 10 kg dari 20oC menjadi 100oC, jika kalor jenis besi 450 J/kgoC?
Kuis Bagian Pertama : Fisika Murni

Quiz
•
Physics
•
KG - Professional Development
•
Hard
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Q = 330.000 J
Q = 360.000 J
Q = 390.000 J
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Air sebanyak 100 gram yang memiliki temperatur 25oC dipanaskan dengan energi sebesar 1.000 kalori. Jika kalor jenis air 1 kal/goC, tentukanlah temperatur air setelah pemanasan tersebut!
T = 35°C
T = 36°C
T = 37°C
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Air sebanyak 3 kg bersuhu 10oC dipanaskan hingga bersuhu 35oC. Jika kalor jenis air 4.186 J/kgoC, tentukan kalor yang diserap air tersebut?
Q = 313.950 J
Q = 314.950 J
Q = 315.950 J
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sebuah bola A jatuh bebas dari ketinggian 10 m. Bola tersebut bertabrakan dengan bola B yang dilempar ke atas dengan kecepatan 0,5 m/s. Pada t berapa tabrakan berlangsung?
t = 10 s
t = 20 s
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sebuah mobil bergerak dengan kelajuan awal 36 km/jam. Kemudian menekan rem hingga berhenti pada jarak 10 m dan menabrak sebuah pohon. Tentukan berat mobil jika gaya tumbukan yang diberikan mobil terhadap pohon sebesar 860 N!
1710 N
1720 N
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Besarnya frekuensi suatu ayunan (bandul) sederhana bergantung pada ...
1. Amplitudo
2. Panjang tali
3. Simpangan
4. Periode
1 & 3
2 & 4
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berapa volume batu yang dimasukkan ke dalam air laut jika berat air laut yang dipindahkan batu adalah 2 Newton ? Massa jenis air laut = 1025 kg/m³?
198,1cm³
199,1 cm3
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