A spaceship will either orbit just above the surface of a planet of radius R or attempt to escape the planet. Which of the following statements is true about orbital velocity versus escape velocity? a
They may be the same, depending on the value of radius R.
b
Orbital velocity is always greater.
c
Escape velocity is always greater.

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point