What value does the distance between two point charges (q1=26.0 uC and q2=-47.0 uC) need to be in order for the force between them to be 5.70 N?

How much heat is required to convert 0.3 kg of ice at 0°c to water at the same temperature

Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.