Askateboarder starting from rest accelerates down a ramp at 5 m/s2 for 4 s. what is the final speed of the skateboarder?

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

Explain what happens at the saturation point when adding salt to water at room temperature.

What happens when a rubber rod is rubbed with a piece of fur?