What is the difference between melting point and boiling point?

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

How would a small bar magnet be oriented when placed at position x?

The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.