Find the mechanical advantage of a ramp that is 6.0 m long and 1.5 m tall.

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.

we need to know the time interval during which the force acts. impulse of force = momentum change