A ship receives the sound produced by its Fathometer after 3.5 second. calculate the depth of the sea (speed of light in water =1400 m/s) please help me fast do your best for helping me.​

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.