Show transcribed image text 1. For the curve r(t)=(t2-5t)1+(2t+ 1)j +3tikfindtheangle between the velocity and acceleration vectors when t = 1/4·
1. For the curve r(t)=(t2-5t)1+(2t+ 1)j +3tikfindtheangle between the velocity and acceleration vectors when t = 1/4·





