Relative motion on an escalator

Watch this video and then answer the question: What is the lady's motion relative to the Earth and why?

I Movie Tutorials (Importing and Editing)

Your video game project is required to be done using I Movie. For lab this week you will demonstrate understanding by doing two actions after viewing the two tutorials. View the tutorials as many times as needed and then go about creating a short movie to practice the skills you learned. You must click on "Import/Organize Video" to view the first tutorial and then click on "Precision Editor" for the second

1. Import and Organize at least two video clips

2. Trim the clips using the Precision Editor

Myth Busters Rocket Sled Video

Directions: Watch the video in realtime (Not slow motion) and record the time period for the sled from stopped to just before impact. Combine that with the stated top speed in the video to calculate the acceleration rate. Show the calculation on a clean sheet of paper that will be handed in by the end of the period.

Adding Vectors Practice Problems

Directions: Follow the link to the vector problems. Draw each vector to scale on paper with proper direction and find the resultant. You may check your work with the answers link, but you must show how you arrived at the answer to get credit.

So you think you can drive?

You are traveling at the 25 mi/hr speed limit and you see a child jump out into the street chasing a puppy 13.0 meters away. Once you hit the brakes it will take 2.1 sec to stop the car. Using your personal reaction time from the ruler test (around 0.20 sec) figure out if you will hit the child and puppy.

You may use your laptop to lookup any conversion factor, ie meters to miles. Hint---There are two calculations here! You may work with a partner, but both people must show their work. I will come around to check.

Projectile golf game

Open up the golf game and using a maximum velocity of 60, find the best angle to make the ball go the farthest