A person uses 25.0 J of kinetic energy to push an object for 11.0 How are work and power affected if the person uses the same amount of kinetic energy to push the object in less time ?

If a simple machine reduces the strength of a force, what must be increased?

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603

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