An object if moving according to this trajectory r=(-1+2t+t2, 3.t). Draw the trajectory in the plane. What is the velocity of the object? What equation is describing the movement of the object? Is the object accelerating? How do you know?

Aboat travels at 15 m/s in a direction 45° east of north. the boat then turns and travels at 18 m/s in a direction 5° north of east. what is the magnitude of the boat's resultant velocity? round your answer to the nearest whole number. /s what is the direction of the boat's resultant velocity? round your answer to the nearest whole degree. ° north of east