An ocean wave has a length of 10.0 meters. a wave passes a fixed location every 2.0 seconds. what is the speed of the wave?

answer this asap and if you can answer the second question in the image that’d be great.

Positrons are spontaneously emitted from the nuclei of

How much energy is supplied to each coulomb of charge that flows through a 12-v battery?

Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.