yea if you were decent at 3u or got high band 5 or band 6 in 2u you should be fine.
prepare for loads of Calculus in 1st year (I'm 1st year Mechatronics at USYD) it's pretty hectic. 1 sem of Differential and 1 sem of Integral.
+statistics +linear algebra.
you will be introduced to concepts that...