Question

Turunkan persamaan umum kecepatan mobil dan tentukan kecepatan mobil pada t = 2
jika X = 3m + (2m/s²)t² dan Y = (10m/s)t + (0,25m/s³)t³

Answer 1

X = 3 + 2t²
y = 10t + 0,25t³
Vx =
=
= 4t
= 4(2)
= 8
Vy =
=
= 0,75t² + 10
= 0,75(2)² + 10
= 0,75(4) + 10
= 3 + 10
= 13