The hummer H2 truck has a mass of 2903kg. It slows down uniformly to a stop. It's acceleration is -2.1 m/s. How much force was required for the truck to slow down to a stop?

What effects result when there is an impact between earth and an asteroid? check all that apply. a.massive flooding. b.extinction of many life forms.c.major earthquakes change in average global temperature.d. giant dust cloud