A 1800-kg car undergoes a collision during 0.25 s with an average force of 120,000 N. By how much does the momentum of the car change

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

How many neutrons does plutonium -196 with an atomic number of 78.