week 5 post

The car that is most likely to explode on impact is car be. Even though car A has equal velocity (distance over time) to begin with, once the car goes over the edge it begins to positively accelerate (change in distance over time) and push its velocity over car A's and car B's. Also, falling off the cliff increases the chance of landing on something that would puncture the fuel tank.
 1)When does a football, if thrown straight up into the air have an acceleration of 0?                               
                                A:) At the top                                  B:) Never  *
                                C:) As it moves upward                   D:) As it moves down
 2) If a vehicle is at rest and has a top speed of 265 mph but is unable to accelerate, what speed can you get it up to?
                                A:) 183 mph                                    B:) 0 *
                                C:)265 mph                                     D:) 5mph
 3) If a vehicle is accelerating at 2 meters per second while already going 10 meters per second how long will it take to get up to 20 meters per second?
                                A:) 5 seconds   *                               B:) 0
                                C:) 10 seconds                                D:) 2 seconds