Review: 1. A quantity is completely described by magnitude alone. A quantity Is completely described by a magnitude with a direction.

a. scalar, vector

b. vector, scalar

2. Speed is a quantity and
velocity is a quantity.

a. scalar, vector

b. vector, scalar

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?