Diagrams/Formulas

Question 1

Derive the following formula:

from: A_{solid square} = l²
to: ∆A = A x 2α x ∆t

Answer 1

Question 2

Derive the following formula:

from: V_{solid cube} = l²
to: ∆V = V x 3α x ∆t

Answer 2

Question 3

Derive the following formula:

from: Q = (λ A t ΔT)/d
to: T_T = (Q/A t) x [(d₁/λ₁) + … (d_n/λ_n)]

Answer 3