Ujian Sekolah Fisika 2023/2024

Manakah di antara berikut ini yang merupakan kuantitas turunan?

• Massa, Panjang, dan Intensitas Cahaya

• Panjang, Waktu, dan Suhu

• Kecepatan, Akselerasi, dan Kerapatan

• Jumlah Zat, Intensitas Cahaya, Waktu

• Massa, Jumlah Zat, Suhu

Which of the following is not a measurement result?

• The length of the book is 25 cm.

• The mass of the book is 200 grams.

• The number of pages in the book is 100 sheets.

• The room temperature in the library is 26°C.

• He studied in that room for 3,600 seconds.

The correct scientific notation for the distance between two cities of 3,600 km is:

• 3.6 × 10^3 m

• 36 × 10^3 m

• 360 × 10^6 m

• 36 × 10^6 m

• 3.6 × 10^6 m

A child kicks a ball with an initial speed of 100 m/s at an elevation angle of 30°. The time the ball is in the air is (g=10 m/s²):

• 50 seconds

• 40 seconds

• 30 seconds

• 20 seconds

• 10 seconds

The ratio of maximum height to the farthest distance of a ball kicked by a football player at an elevation angle of 37° is (sin 37° = 0.6, cos 37° = 0.8, g=10 m/s²):

• 116

• 216

• 316

• 416

• 516

A stone with a mass of 200 grams is tied to a string of 80 cm and swung to form a horizontal circle with a linear speed of 2 m/s. The centripetal force is:

• 1 N

• 2 N

• 3 N

• 4 N

• 5 N

A teenager rides a motorcycle with an initial speed of 10 m/s. After 20 seconds, his speed becomes 30 m/s. The distance he traveled is:

• 100 m

• 200 m

• 300 m

• 400 m

• 500 m

A racer rides a motorcycle at a speed of 20 m/s colliding head-on with another racer at a speed of 40 m/s from the opposite direction. After the collision, the two vehicles stick together. The speed of both vehicles after the collision is (assuming both motorcycles have the same mass):

• 10 m/s

• 20 m/s

• 30 m/s

• 40 m/s

• 50 m/s

The equation of simple harmonic motion is written as y=2sin(4t). The maximum acceleration is:

• 8 m/s²

• 16 m/s²

• 32 m/s²

• 48 m/s²

• 60 m/s²

An object with a mass of 3 kg descends a slope with an angle of inclination of 37°. The acceleration of the object is (sin 37° = 0.6, cos 37° = 0.8, g=10 m/s²):

• 4 m/s²

• 6 m/s²

• 8 m/s²

• 10 m/s²

• 12 m/s²