A 2kg cart traveling at 6 m/s collides with a 2 kg cart at rest. What is the total final momentum of the system?

A) 0 kg m/s
B) 12 kg m/s
C) 3 kg m/s
D) 4 kg m/s
E) 2 kg m/s

hi there!

your question asks at which segment does freezing occur.

since we're talking about water, the freezing point of water will be 32 degrees fahrenheit or below.

hope this ! ~

d) physical means can be used to separate the components of air.

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide