What is the magnitude acceleration of a body in a projectile motion at the highest point

Zero

Explanation:

At a projectile's highest point, its velocity is zero. At a projectile's highest point, its acceleration is zero

explanation:

newton's third law, for every action there is an equal and opposite reaction.

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.