You drop a stone into a well that is 7.35 m deep. how long does it take before you hear the splash?

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.