Soal latihan IPA - Fisika
___________________________
x = 0 m , Vo = 50 m/s
x = 15 m, Vt = ___?
Jawab :
Konsep Usaha dan Energi
W = Luas Persegi Panjang
W = p . l
W = 15 . 10
W = 150 J
Kecepatan benda saat detik ke 15
W = ΔEk
150 = ½ . 1 . (Vt² - Vo²)
150 = ½ . (Vt² - 50²)
300 = Vt² - 2500
Vt² = 2800
Vt = 20√7 m/s ✅
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Soal latihan IPA - Fisika
___________________________
x = 0 m , Vo = 50 m/s
x = 15 m, Vt = ___?
Jawab :
Konsep Usaha dan Energi
W = Luas Persegi Panjang
W = p . l
W = 15 . 10
W = 150 J
Kecepatan benda saat detik ke 15
W = ΔEk
150 = ½ . 1 . (Vt² - Vo²)
150 = ½ . (Vt² - 50²)
300 = Vt² - 2500
Vt² = 2800
Vt = 20√7 m/s ✅