The engine in a model rocket applies an upward force of 120 N. If the rock travels straight upward for 3.2 m, how much work is done on the rocket by its gravity if its mass is 500 kg?

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

What is the measurement of how fast an object moves relative to a reference point?

What ions are formed when hcl dissolves in water?