Which direction is the electric field located above a negative point charge

Often called simply "velocity," this is the velocity of an object at a particular moment in time.

Heterogeneous mixture with larger particles that never settle is

Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. it takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. the fisherman sees that the wave crests are spaced a horizontal distance of 6.50 m apart. a. how fast are the waves traveling? b. what is the amplitude a of each wave?