9/19 MS Physics update and homework due 9/26
Hi folks,
Today we began our discussion of motion. For the next several weeks, we will be looking a a variety of ways to describe and predict motion. Today we took a look at how motion is relative and explored the concepts of speed.
To get the hang of speed at the end of class today we went outside and measure the distance and time of everyone's throw. We have a few excellent throwers in this group!
For homework this week:
Answer the following questions (you may need to rewatch parts of the video.) Be sure to answer them well because they will probably be on next week's quiz! Study hard!
1. What is the definition of distance?
2. What is the definition of speed?
3. What two things do you need to measure to find speed? (What did we measure when we found out how fast folks threw the ball?)
4. What is meant by saying "motion is relative"?
5. Are you moving right now? Explain why you are moving and explain why you are not moving.
6. What is meant by "frame of inertia"?
7. Two spaceships are hanging out in space. One spaceman notices that the other ship is getting closer. What are 4 ways the ships could be moving that would explain how one ship is getting closer to the other?
8. Explain why, when you are on an airplane moving at 450 mph, you can pour a drink just as easily as you can when you are in your kitchen.
9. You are on an airplane but you fell asleep before it took off. You can hear the engines going but all the shades are down so you can't look outside. Is there anything you can do to find out if you are still at the airport or if you are flying through the air. In other words, can you do any experiment to find out if you are moving or not?
Today we began our discussion of motion. For the next several weeks, we will be looking a a variety of ways to describe and predict motion. Today we took a look at how motion is relative and explored the concepts of speed.
To get the hang of speed at the end of class today we went outside and measure the distance and time of everyone's throw. We have a few excellent throwers in this group!
For homework this week:
Answer the following questions (you may need to rewatch parts of the video.) Be sure to answer them well because they will probably be on next week's quiz! Study hard!
1. What is the definition of distance?
2. What is the definition of speed?
3. What two things do you need to measure to find speed? (What did we measure when we found out how fast folks threw the ball?)
4. What is meant by saying "motion is relative"?
5. Are you moving right now? Explain why you are moving and explain why you are not moving.
6. What is meant by "frame of inertia"?
7. Two spaceships are hanging out in space. One spaceman notices that the other ship is getting closer. What are 4 ways the ships could be moving that would explain how one ship is getting closer to the other?
8. Explain why, when you are on an airplane moving at 450 mph, you can pour a drink just as easily as you can when you are in your kitchen.
9. You are on an airplane but you fell asleep before it took off. You can hear the engines going but all the shades are down so you can't look outside. Is there anything you can do to find out if you are still at the airport or if you are flying through the air. In other words, can you do any experiment to find out if you are moving or not?
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