tolong bantu nomor 4 pk cara ya kak

jawabannya a. 2 . 10^8

ELASTISITAS

A = 1 mm² = 10^-6 m²
L = 1 m
F = 100 N
∆L = 5 mm = 5×10^-3 m
E = __?

modulus Young
E = F L / (A ∆L)
E = 100 • 1 / (10^-6 • 5×10^-3)
E = 2×10^10 Pa ← jwb