A car has stable speed u0 = 20 m / s and begins to decelerate at a constant rate 4 m / s2. Its displacement during the 2nd second of its movement is:

a) 26 m b) 14 m c) 6 m

Choose the correct answer and justify it.

Helpp

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.

increase masses, decrease separation

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.