Acar, moving along a straight stretch of highway, begins to accelerate at 0.0499 m/s 2 . it takes the car 71.2 s to cover 1 km. how fast was the car going when it first began to accelerate? answer in units of m/s.

Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s