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Top rated - VIDEO PROJECTS
 90 viewsPeople on a merry-go-round experience centripetal acceleration. WHAT does this mean? (1 votes)
 49 viewsIn all cases, the two carts stuck together after the collision will have a momentum that is equal to the combined momentum of the two carts before the collision. WHY? (1 votes)
 110 viewsOne cart is at rest when another cart of equal mass hits it. WHY does the cart on the right move away at an equal speed? (1 votes)
 174 viewsThe force of the escaping gas from the fire extinguisher accelerates the person on the cart. If the gases exit the fire extinguisher to the right, WHY does the cart go to the left? (3 votes)
 104 viewsA small amount of water is heated in a soda can until steaming. The can is then quickly put in cool water, mouth side down. WHY does the can collapse? And, why did they need to heat water in the soda can to make this demonstration work? (2 votes)
 Balloon Poppers '07 #6449 viewsBrandon & Jeff Li An & Will S Rioghnach & Anne Maddy & Angela Alex H & Zach E (4 votes)
 98 viewsAt various points on the track, the car will have the same total energy, but it will be split into kinetic and potential energies dependent on its height and velocity. The higher the PE, the lower the KE and vice versa. (1 votes)
 106 viewsThe ball begins at the top to the right with "potential energy." WHY does it have enough energy to complete the loop without falling down? (1 votes)
 106 viewsOne ball, having only a gravitational force, will fall straight down. The other ball, having gravity and a horizontal force, will follow a parabola. Watch it in slow motion. WHY do they hit the surface at the same time? (1 votes)
 149 viewsA pendulum can never have more energy than what was originally put into the system. WHY doesn't the bowling ball hit the person? (1 votes)
 236 views This Year In Science ---------------------------------- 1stQ: Weather & Global Warming 2ndQ: Chemistry 3rdQ: Physics & Marine Biology 4thQ: Keys Trip & Multi-media Project (10 votes)
 84 viewsOne cart is at rest when another cart of lower mass hits it. WHY does the cart on the right move away at a slower speed? (2 votes)
 Balloon Poppers '07 #1984 viewsCaroline and Andreana Carrie Irene Justin L & Jordan H Kasey & Sarah Laine & Abby (10 votes)
 91 viewsWhen a ping pong ball is placed in a funnel with the air blowing out, the ball won't fall out of the funnel. WHY NOT? (2 votes)
 163 viewsA pendulum can never have more energy than what was originally put into the system. WHY doesn't the bowling ball hit the person? (1 votes)
 103 viewsDue to the conservation of angular momentum, when the rotating person brings his arms closer to his body, he will rotate faster. WHY? (3 votes)
 115 viewsThe Van de Graff generator builds up a high static charge so that electric fields and charge transfer effects can easily be observed. Notice that the spark would prefer to jump to a point rather than a ball; hence, lightning rods attract lightning. (3 votes)
 Balloon Poppers '07 #5324 viewsJamie & Rachael W Vipul & Jason Colton & Steven Meredith & Tyler H Michael (3 votes)
 115 viewsPeople on a merry-go-round experience centripetal acceleration. WHAT does this mean? (2 votes)
 60 viewsLook at the wire extending from where the front legs of the horse should be to back behind the rear legs. Now notice that the toy horse is balanced on its rear legs. WHY? (2 votes)
 Balloon Poppers '07 #2563 viewsEmily & Jordan M James Melissa & Patrick Mitch Noelle Will C & Jack (6 votes)
 Balloon Poppers '07 #4292 viewsChris & Kevin Amanda Jessica & Carly Colin & Tyler C Taylor & Jonathan (4 votes)
 80 viewsThis demo is a combination of explosive collisions and inelastic collisions. Each roller blader gains momentum with each toss AND catch of the pillow. (2 votes)
 63 viewsIn all cases, the two carts stuck together after the collision will have a momentum that is equal to the combined momentum of the two carts before the collision. WHY? (2 votes)
 142 viewsOnly the center of mass of an object needs to be supported in order to support the object. WHY can you balance the bird so far back? (2 votes)
 Balloon Poppers '07 #3421 viewsAaron & Tyler N Alex L & David Clay & Jenna Andrew & Eric Kaila & Tiffany Alex S & Cesar (4 votes)
 114 viewsAn index card is placed on top of a cylinder full of water. The cylinder is then inverted. WHY doesn't the water pour out? (2 votes)
 74 viewsThe falling target experiences the same vertical acceleration as a ball launched from a cannon aimed at it. If released at the same time WHY do they hit? (1 votes)