Seorang nelayan menyebrang sungai menggunakan sampan dengan kecepatan 20 km/jam ke arah Timur. Air sungai mengalir dengan kecepatan 15 km/jam ke arah selatan. Besar resultan kecepatan sampan tersebut adalah...
Soal Vektor Essay

Quiz
•
Physics
•
9th - 12th Grade
•
Hard
Bu Hilwa Fisika
FREE Resource
5 questions
Show all answers
1.
OPEN ENDED QUESTION
5 mins • 10 pts
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Answer explanation
Tulis langkah penyelesaian di lembar kerja, lalu tunjukkan kepada guru.
2.
OPEN ENDED QUESTION
5 mins • 10 pts
Sebuah mobil bergerak dengan kecepatan 50 km/jam membentuk sudut 30° terhadap sumbu x positif. Besar komponen vektor kecepatan tersebut pada sumbu x dan sumbu y berturut-turut adalah . . . .
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3.
OPEN ENDED QUESTION
5 mins • 10 pts
Ketika sebuah perahu melewati air yang tenang, maka ia mampu bergerak dengan kecepatan 1,2 m/s. Jika perahu melewati sungai dengan kecepatan arus air 0,5 m/s dan perahu bergerak searah arus sungai, maka resultan vektor kecepatan perahu sekarang sebesar ….
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4.
OPEN ENDED QUESTION
5 mins • 10 pts
Diketahui dua buah vektor
A = 2i - 2j + 4k
B = i - 3j + 2k
Tentukan hasil perkalian titik (dot product) dari dua buah vektor tersebut.
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5.
OPEN ENDED QUESTION
5 mins • 10 pts
Dua buah vektor masing- masing besarnya 3 satuan dan 4 satuan. Tentukan besar resultan kedua vektor tersebut jika sudut apitnya 60°.
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