Question

Jawab no 11 sama 12 sama caranya



jawab secepatnya

Answer 1

11. Δl = l0 x α x Δt
= 20 x 1,9 x 10^-5 x 10²
= 3,8 x 10^-2 cm
= 0,038

12. ΔA = A0 x β x Δt
= 5,1 x 10^-5 x 1 x 50
= 0,00255 m
Atotal = 1,00255 m