Twitter Quiz #1

You must answer the following quiz with your Twitter account by Monday night. Time will be provided in class to do this, but some of you are missing a twitter account or have not followed MAPOWELL. You must get a twitter account.

1. Which of the following has no inertia?

A. An object that is at rest
B. An object that is in motion
C. An object that is changing motion because of a force (N1Law)
D. An object with no mass

2. The difference between mass and weight is that:

A. Weight does not include the acceleration of gravity and Mass does
B. Mass does not include the acceleration of gravity and Weight does

3. Why does the force of gravity not suck you to the center of the earth?

A. Because you are balancing the force of gravity
B. Because you are not balancing the force of gravity

4. Which object has the most inertia when it hits a wall (but, of course, recovers immediately)?

A. A sparrow flying
B. A bug flying
C. An ant crawling

5. Which object has the most inertia?

A. A VW Beetle hitting a fence at 10 mph
B. A truck in neutral
C. A bullet shot out of a rifle

Light Show writeup

1. Explain your story, and the point of your video. Were you emphasizing the figures, the shadows, the background, or a combination?

2. What type(s) of electromagnetic radiation did you use in your video? What is the speed of this(these) radiation types?

3. Is the radiation all one wavelength? Explain.

4. Where do you see evidence of an umbra in your video? A penumbra? Compare the two.

5. How did you place the lights in your video? What type of effect were you aiming to achieve?

6. If I want to light a play for a villain, with big red and black colored shadows, draw a diagram of how you woul put the lights. Indicate where they would be on the top, bottom,or sides of the stage.

7. How can I make a colored purple shadow?

8. How can I make a sharp shadow with no penumbra?

9. How do shadows from the sun change throughout the day?

10. Suggest 4 improvements for your light show.