#3) A spaceship has a mass of 5.23 x10 kg is orbiting around Earth, which has a mass of
6.00 x1024 kg. If the spaceship is 2.30 x1012
meters from Earth, what is the force of gravity
acting on it?
A) 3.04 x 104N B) 5.93 x 106N
C) 9.10 x 10' N D) cannot be determined

The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?