tentukan lambang dimensi dari: 1. volume 2. percepatan 3.waktu pke cara ya

1.volume= [panjang] [lebar] [tinggi]
[L] [L] [L] = [L]^3

2.kecepatan = [perpindahan] / [waktu]
= [L] / [T]
= [L] [T]^-1
petcepatan = [kacepatan] / [waktu]
=[L] [T]^-1 / [T]
=[L] [T] ^-2

3.Waktu = I don't no