Physics extra practice /make-up /extra credit sheet Physics First Students in Physics First may choose 1 from the following: 1- Read Chapter 26 (pp.390-400). Answer Review questions 1-20 on a sheet of paper. Also, perform 1 Activity from the Activities section (your choice) and write a 1-paragraph description of what occurred. 2- Read Chapter 26 (pp.390-400). Answer Think and Explain questions 1-8 on a sheet of paper. Each question requires more than one sentence to explain it fully. 3- Build a prototype of a musical instrument that can play 8 musical notes. You should be able to change the volume (amplitude) of the notes and the pitch (frequency). Use ordinary household materials. Instrument strings purchased in a store (guitar or violin, for example) are NOT allowed. College Prep Physics Students in College Prep Physics may choose from the following: 1- Explain in a well-thought out, neatly typed, double-spaced, spell-checked, 1 page essay the reasons why the front and rear sections of automobiles are not designed to remain rigid during collisions. Why might this be desirable? Be sure to discuss concepts of acceleration, motion, and the human body in your response. Include reference sources in a separate bibliography. 2- Solve the following problem showing givens, wants, equations, and a sketch (ignore air resistance). This solution should be so beautiful, it will make me want to go to the store and buy a frame, take down the photograph of my mother hanging on the wall of my living room, and replace it with your work! ------------An avalanche on Mt. Everest breaks free and slides on a cushion of air toward Everest base camp, 6 miles downslope. The snow begins at rest and, due to the steepness of the slope, accelerates at 9 m/s². When it reaches a point 3 miles from base camp, the slope changes and the acceleration decreases from 9 to 6 m/s². When the slide reaches a point 1 mile from base camp, the slope again changes and the acceleration decreases from 6 to 2 m/s². a) How long does the avalanche take to reach base camp? b) How fast is it moving when it arrives? Honors Physics Students in Honors Physics may choose from the following: 1- Explain in a well-thought out, neatly typed, double-spaced, spell-checked, 1 page essay the reasons why the front and rear sections of automobiles are not designed to remain rigid during collisions. Why might this be desirable? Be sure to discuss concepts of acceleration, motion, and the human body in your response. Include reference sources in a separate bibliography. 2- Solve the following problem showing givens, wants, equations, and a sketch (ignore air resistance). This solution should be so beautiful, it will make me want to go to the store and buy a frame, take down the photograph of my mother hanging on the wall of my living room, and replace it with your work! ------------An avalanche on Mt. Everest breaks free from one side of a valley and slides on a cushion of air toward Everest base camp, 6 miles away. The path to base camp is more complicated than just a straight line. Base camp is located on the opposite side of a valley, so the avalanche must travel down to the bottom and then up the other side, like water sloshing back and forth in a bucket. The snow begins at rest and, due to the steepness of the slope, accelerates at 9 m/s². When it reaches a point 3 miles from base camp, the slope changes and the acceleration decreases from 9 to 6 m/s². When the slide reaches a point 1 mile from base camp, the slope again changes and the acceleration changes from 6 to a deceleration of 3 m/s². Riddle me this: a) How long does the avalanche take to reach base camp? b) How fast is it moving when it arrives?