In a distance vs time graph what does the slope represent

Why there is no inductive reactance in dc circuits

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

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