Question 1: The x and y components of a vector A→ are -25.0 m +40.0 m. respectively. What is the angle between the direction of A→ and positive direction of x?
Question 2: The acceleration of a motorcycle is given by ax (t) = At - Bt2, where A = 1.50 m/s3 and B = 0.120 m/s4. The motor cycle is at rest at the origin at time t =0
a) Find its position and velocity as functions of time
b) Calculate the maximum velocity it attains at a time t = 12.5 s