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.
A paternity test is a DNA test that is performed to determine if a particular man is the biological father of a particular child.Each of us receives half of our DNA (half of our genes) from our biological mother and the other half from our biological father.he results of a paternity test will be exactly the same for tests performed using buccal swabs or blood (or other samples) because the DNA found in our cheek cells is the same as the DNA found in all of the other cells in our body.