No 10 pleasee help. makasih yaa

a. Jarak total yg ditempuh partikel sampai t = ∞

x = Vxo/k.( 1 – e^-k∞ )

x = Vxo/k.( 1 – 0 )

x = Vxo/k

b. Kecepatan

x = Vxo/k.( 1 – e^-kt )

x = Vxo/k – Vxo/k. e^-kt )

Vx = dx/dt

Vx = 0 – Vxo/k. e^-kt . (-k)

Vx = Vxo. e^-kt