Khi chất điểm dao dộng điều hòa trên trục ox vecto gia tốc của chất điểm đó có

Need in all of themmm only answer if you know pls

The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost