Question

Soal fisika SMA ttg relativitas, mohon dijawab ya? :), no. 31

Answer 1

Verified answer

RELATIVITAS
• penjumlahan Kecepatan

Va = v
Vb = -v
Vab = 1,5 v
v = __?

Vab = (Va - Vb) / (1 - Va Vb / c²)
1,5 v = (v - (-v)) / (1 - v • (-v) / c²)
1,5 v = 2v / (1 + v² / c²)
1,5 v = 2v / (1 + (v/c)²)
1 + (v/c)² = 2v / 1,5v
1 + (v/c)² = 4/3
(v/c)² = ⅓
v/c = ⅓√3
v = ⅓√3 • c ← jwb