Homework Answers
rx = c t^2 - 4 d t^3
velocity,
Vx = d rx / dt
Vx = 2 c t - 12 d t^2
===========
ry = 2 c t^2 - dt^3
Vy = d ry / dt
Vy = 4 c t - 3 d t^2
===========
do comment in case any doubt, will reply for sure.. Goodluck
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