An object's position as a function of time is given by The object moves without air resistance. 7(t) = [(1 m/s )t] [(3 m/s)t + 3 m)]} A 25% Part (a) What is the object's displacement, in Cartesian unit-vector notation, between times 1 s and 3 s? Your answer should be in meters, but do not enter units for your equation. AF = 1 7 8 9 HOME j 1 4 5 6 k 1 2 3 + - 0 END Grade Summary Deductions Potential Submissions 0% 100% Attempts remaining: 1 (83% per attempt) detailed view NO HACKSPACE Submit Hint Feedback CLEAR I give up! Hints: 0% deduction per hint. Hints remaining: 1 equation. Feedback: 0% deduction per feedback. Part (b) What is the object's velocity, in Cartesian unit-vector form at t = 2 s? Your answer should be in meters per second, but do not enter units for your Part (c) What is the object's acceleration, in Cartesian unit-vector form at t = 5 s? Your answer should be in meters per squared second, but do not enter units for your equation. Part (d) What is the magnitude, in meters per second, of the object's average velocity between between times 1 s and 3 s?