october 26

• Continue choosing the position for a bus stop. How democracy works?
• Robot in a labyrinth
• Adding vectors
• Experiment: ball in a round glass

Homework:

1. Draw three vectors:

• A at (0, 0) 
• B at (0, 5) and
• C at (3, 4).

Which is further away from A: B or C?

2. Diza has a drawer with 4 green, 4 blue and 2 red socks.  She reaches inside, not looking, and grabs some socks. How many should she get, to be sure there are at least two socks of different colors?

3. Plastic container floats in a dish, so that the water level is an inch below the rim of the dish. If you move some of the water from the dish to the container, will the water level go up? down?