If a ball is thrown straight up with a speed of 15 m/s, how high (in meters) will it reach above the point it was released?
a) 19.8
b) 22.1
c) 17.1
d) 26.2

hey , the answer is c

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.

conservation of mass

mass before something happens = mass afterwards