A book weighing 1.0 newton is lifted 2 meters. How much work was done?

divide the right side by the left side

0.024÷1.2=0.02 for example

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.

-4 on

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000