Two birds collide in midair. Before the collision, their combined momentum
was 15 kg•m/s to the north. What is their combined momentum after the
collision?

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

What happens to the vapor pressure of a substance when its surface area is increased at constant temperature?

Aspring that is stretched 2.6 cm stores a potential energy of 0.053 j. what is the spring constant of this spring?