Question

Rearrange the formula for V1 get the formula for V1

Answer 1

To isolate v₁ from the given equation, subtract aΔt from both members of the equation and simplify:

$\begin{gathered} v_2=v_1+a\cdot\Delta t \\ \Rightarrow v_2-a\cdot\Delta t=v_1+a\cdot\Delta t-a\cdot\Delta t \\ \Rightarrow v_2-a\cdot\Delta t=v_1 \\ \therefore v_1=v_2-a\cdot\Delta t \end{gathered}$

Therefore, the formula for v₁ is:

$v_1=v_2-a\cdot\Delta t$