Answer Happy

(10%) Problem 9: A car moves on a straight road such that its position from a reference point is given by the following function: { x(t) = 3 + 5t+2t² + 0.4ť³, y(t) = 0, z(t) = 0 } where t is in seconds and x in meters. ✓20% Part (a) True or False: the acceleration of the car is constant? False ✓ Correct! ▷ A 20% Part (b) Find the acceleration, in meters per square second, in the x-direction at t₁ = 0.65 sec. a(t₁) = sin() cos() π 8 9 HOME ( ) 7 ^^↓ cotan() asin() 4 5 6 atan() acotan() tan() acos() E sinh() tanh() cotanh() Degrees O Radians 1 2 3 cosh() + 0 END - VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. A 20% Part (c) Find the acceleration, in meters per square second, in the x-direction at t = 1.05 sec. 20% Part (d) Find the average velocity, in meters per second, in the x-direction between t₁ = 0.65 s and t₂ = 1.05 s. A 20% Part (e) Find the average acceleration, in meters per second squared, in the x-direction between t₁ = 0.65 s and t₂ = 1.05 s.