First analyze the force that is acting on each charge. The force is determined by the two. objects interacting. If you start with Case 1, the charges are q and 4 q with a separation of d. That means. the force is 4kqq/d2 .
DNA is the most powerful tool available for identification in forensic investigations. Because of its ability to link physical evidence found at a crime scene to a single person, it is often referred to as a âdigital fingerprint.â This method is so precise that it can ensure pinpoint accuracy, down to one in a billion.
DNA paternity testing is the use of DNA profiling (known as genetic fingerprinting) to determine whether two individuals are biologically parent and child.aternity testing can now also be performed while the woman is still pregnant from a blood draw. DNA testing is currently the most advanced and accurate technology to determine parentage.