1.

i . Make two blowguns using straws. Make the first one short and the other one is at least twice longer than the first one. Use more than one straw if necessary. 2. Use a small piece of paper as a bullet and put it in the side of the straw you will blow. Then. predict which blowgun, long or short, will shoot a paper bullet farther. Try at least three times each and compare the distances. 'i.Which blowgun shot a paper bullet farther: the shorter one orthe longer one. and why? 2. Assuming that your longer blowgun shot the bullet farther. what factors do you think contributed to this increased distance compared to the shorter blowgun? 3. Can you proyide other examples where a longer device, such as a blowgun. can shoot a bullet or propel an object farther than a shorter device? \fHow does the length of a cannon affect the speed of a cannon ball when red with the same force? Specifically, which can nonr a short one or a long one, imparts the greatest speed to a cannonball, and why does this occur? When ajumbo egg was dropped from 5 meters onto a 1inch foam surface. it fractured. Which of the following changes in conditions would lead to a safe landing? Select all that would. [mark all correct answers] D a. Change the egg size to a large egg. D b. Change the drop height to 1 meter. D c. Change the drop height to 10 meters. D d. Change the landing surface to a hard floor. D :3. Change the landing surface to a box of foam