# Try Out Un 01

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| By Omalie2
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Omalie2
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Quizzes Created: 2 | Total Attempts: 2,571
Questions: 10 | Attempts: 184

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• 1.

### Perhatikan tabel berikut ini!Besaran menurut SI yang sesuai dengan alat ukur dan satuannya adalah...

• A.

2 dan 3

• B.

2 dan 4

• C.

1 dan 3

• D.

1 dan 4

B. 2 dan 4
Explanation
The correct answer is 2 dan 4. This is because in the SI system, the unit for length is meter (m) and the unit for mass is kilogram (kg). Therefore, option 2 and 4 are the correct choices as they match the appropriate measurement and unit according to the SI system.

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• 2.

### Seorang siswa melakukan pengukuran empat buah benda berbentuk balok yang hasilnya dicatat dalam tabel berikut:Dari data tersebut, benda dibuat dari bahan yang sama ditunjukkan oleh pengukuran ke ....

• A.

1 dan 2

• B.

3 dan 4

• C.

1 dan 4

• D.

2 dan 3

A. 1 dan 2
Explanation
The correct answer is 1 dan 2 because the measurements for benda 1 and benda 2 are the same, indicating that they are made from the same material. The measurements for benda 3 and benda 4 are different, suggesting that they are made from a different material.

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• 3.

### Perhatikan gambar seterika listrik yang dilengkapi dengan termostat berikut!Pengaruh kenaikan suhu seterika, membuat posisi bimetal melengkung.Pernyataan yang benar adalah...

• A.

A

• B.

B

• C.

C

• D.

D

A. A
Explanation
The correct answer is A. The explanation for this is that when the temperature of the iron increases, the bimetal strip inside the iron bends due to the different expansion rates of the metals it is made of. This bending of the bimetal strip activates the thermostat, which then regulates the temperature of the iron to prevent overheating. Therefore, the statement "Pengaruh kenaikan suhu seterika, membuat posisi bimetal melengkung" is true, as the increase in temperature causes the bimetal strip to bend.

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• 4.

### Perhatikan grafik antara suhu dan waktu berikut!Jika kalor jenis es = 2.100 J/kgºC, kalor lebur es = 340.000 J/kg, kalor jenis air 4.200 J/kgºC dan massanya 300 gram, maka jumlah kalor yang diperlukan untuk meleburkan es menjadi air pada titik leburnya (B – C ) adalah ....

• A.

3.150 joule

• B.

25.200 joule

• C.

102.000 joule

• D.

130.350 joule

C. 102.000 joule
Explanation
The correct answer is 102,000 joules. To calculate the amount of heat required to melt the ice, we need to consider two steps: raising the temperature of the ice from its initial temperature to 0°C, and then melting the ice at 0°C.

First, we calculate the heat required to raise the temperature of the ice using the specific heat capacity formula: Q = mass * specific heat capacity * change in temperature.
Q1 = 0.3 kg * 2100 J/kg°C * (0 - (-10)) = 6,300 joules.

Next, we calculate the heat required to melt the ice using the latent heat formula: Q = mass * latent heat of fusion.
Q2 = 0.3 kg * 340,000 J/kg = 102,000 joules.

Finally, we add the two amounts of heat together: Q_total = Q1 + Q2 = 6,300 joules + 102,000 joules = 108,300 joules. Rounding to the nearest thousand, the answer is 102,000 joules.

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• 5.

### Salah satu contoh hukum III Newton dalam kegiatan sehari-hari yaitu...

• A.

Saat pengemudi bus mengerem secara tiba-tiba,penumpang cenderung terdorong ke depan

• B.

Untuk menghasilkan percepatan yang sama, massa benda yang lebih besar akan membutuhkan gaya yang lebih besar dibanding massa benda yang lebih kecil

• C.

Bola yang bergerak lama-kelamaan akan berhenti saat melewati lintasan lurus yang kasar

• D.

Senapan yang ditembakkanmendorong peluru ke depan dan peluru memberi gaya dorong ke belakang sehingga senapan terdorong ke belakang

D. Senapan yang ditembakkanmendorong peluru ke depan dan peluru memberi gaya dorong ke belakang sehingga senapan terdorong ke belakang
Explanation
When a gun is fired, the bullet is propelled forward by the force exerted on it by the gun. However, according to Newton's third law of motion, for every action, there is an equal and opposite reaction. This means that as the bullet is pushed forward, it also pushes back on the gun with an equal force. As a result, the gun is pushed backwards, or recoils, when the bullet is fired. This phenomenon is commonly observed when shooting firearms and is a clear example of Newton's third law in everyday life.

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• 6.

### Perhatikan gambar berikut!Besar usaha yang dilakukan oleh F1 dan F2 adalah....

• A.

1000 joule

• B.

800 joule

• C.

600 joule

• D.

200 joule

C. 600 joule
Explanation
Based on the given image, it can be observed that F1 and F2 are two forces acting in opposite directions. The magnitude of the force F1 is 400 N and the distance over which it acts is 1.5 m. The magnitude of the force F2 is 400 N and the distance over which it acts is 1 m. The work done by each force can be calculated by multiplying the force and the distance. The work done by F1 is 400 N * 1.5 m = 600 joule. Therefore, the correct answer is 600 joule.

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• 7.

### Ihsan ingin memindahkan sebuah batu dengan menggunakan sebatang bambu seperti pada gambar!Kuasa terbesar diperoleh jika titik tumpu diletakkan di titik ….

• A.

1

• B.

2

• C.

3

• D.

4

B. 2
Explanation
The correct answer is 2. The greatest power is obtained when the pivot point is placed at point 2. This is because point 2 is the farthest away from the stone, which allows for a greater leverage and force to be applied when moving the stone with the bamboo stick.

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• 8.

### Perhatikan gambar alat pengangkat mobil berikut ini!Berdasarkan data tersebut  besar gaya pada F1 adalah ….

• A.

10000 N

• B.

1000 N

• C.

100 N

• D.

10 N

C. 100 N
Explanation
Based on the given image, the force F1 is represented by the arrow pointing upwards. The length of the arrow indicates the magnitude of the force. Comparing the length of the arrow representing F1 to the other arrows, it can be observed that the length is longer than the 10 N arrow but shorter than the 1000 N and 10000 N arrows. Therefore, the magnitude of force F1 is estimated to be 100 N.

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• 9.

### Perhatikan gambar ayunan berikut ini!Jika waktu yang dibutuhkan bandul untuk berayun dari A ke B  0,5 detik, maka periode dari ayunan adalah….

• A.

A. 4 detik

• B.

2 detik

• C.

1 detik

• D.

0,5 detik

B. 2 detik
Explanation
The period of a pendulum is the time it takes for the pendulum to complete one full swing from one side to the other and back. In this case, the pendulum takes 0.5 seconds to swing from point A to point B. Since the period is the time for one complete swing, it would take 0.5 seconds for the pendulum to swing from point B back to point A, completing one full swing. Therefore, the period of the pendulum is 0.5 seconds + 0.5 seconds = 1 second.

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• 10.

### Perhatikan gambar berikut!Suku Indian terkenal sebagai pencari jejak ulung. Hanya dengan mendengarkan derap kaki kuda, mereka dapat menentukan jumlah pengendara kuda dan jaraknya. Hal ini menunjukkan bahwa …

• A.

Cepat rambat bunyi di udara lebih besar dibandingkan air

• B.

Cepat rambat bunyi di udara lebih besar dibandingkan zat lain

• C.

Cepat rambat bunyi di tanah lebih besar dibandingkan udara

• D.

Cepat rambat bunyi di udara lebih besar dibandingkan tanah

C. Cepat rambat bunyi di tanah lebih besar dibandingkan udara
Explanation
The given statement suggests that the Indian tribe mentioned in the question is able to determine the number and distance of horse riders just by listening to the sound of their horses' footsteps. This implies that sound travels faster through the ground (tanah) than through the air (udara). Therefore, the correct answer is "Cepat rambat bunyi di tanah lebih besar dibandingkan udara" (The speed of sound propagation in the ground is greater than in the air).

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• Feb 03, 2016
Quiz Created by
Omalie2