Physics of Great Escape Write your answer on the answer sheet titled Physics of Great Escape

1. The Comet Scientific Method A Sand Creek student knows that all materials expand when heated. This student wonders if the Comet roller coaster will move more slowly when the track is hot than it does when the track is cooler. Design an experiment to test this student’s hypothesis. Be sure to include the following:

The Comet Scientific Method, cont’d -state the hypothesis -identify the independent variable -identify the dependent variable -identify 2 factors that should remain constant. -clearly state the procedures the student should follow.

2. The Boomerang The following is information about the Boomerang: Height: 125ft Length: 875 ft Top Speed: 45 mph -Using the following conversion factor, determine the height of the Boomerang in meters. 1 ft =.3m

The Boomerang, Continued -Using the conversion factor below, determine the length of the Boomerang in miles. 1 mi = 5,280ft -Use the length of the Boomerang in miles that you calculated from the previous question to answer the following: -How long does it take for the Boomerang to travel _______mi at a speed of 45 mph. Use the formula t=d/s. BE SURE TO SHOW ALL OF YOUR WORK

3. Friction A student notices that the track of the Comet is warmer right after the Comet rides over it than it is right before. In complete sentences, explain what causes the difference in temperature.

3, cont’d Because of friction, this waterslide would not be nearly as fun if there were no water. This is because the water is a _______________.

4. Density and Buoyancy In the picture of Splashwater Kingdom to the right, the wooden logs and barrels are floating. What property of water provides the upward force that keeps the wood afloat?

4, cont’d If the wood has a mass of 25g and a volume of 50ml, what is the density of the wood? D=m/v Based on the density of the wood, explain why the wood floats in the water.

5. Forces What is the force that allows the Boomerang rollercoaster to go through the loop(the circle)?

6. Newton’s Laws List and describe Newton’s 3 Laws of Motion.

7.Bumper Cars Using you answer for question 6 as a reference, which of Newton’s Laws best describe what happens when 2 bumper cars bump?

8. The Comet Using the information you wrote down in question number 6, answer the following question about the Comet. Which of Newton’s Laws best describes why the Comet continues to move foward., even though no force is being applied.

9. The Canyon Blaster What is the name of the force that keeps this roller coater moving downward?