A ball thrown horizontally at vi = 20.0 m/s travels a horizontal distance of d = 57.0 m before hitting the ground. From what height h was the ball thrown?

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th