Gizmo Force and Fan Carts Questions Perfectly Answered!!

A fan cart with the fan set to High rolled across a floor. The cart's speeds are shown below. If the fan were set to Medium instead, what could the cart's speed be at 5 seconds? - Answer-A. 10.9 cm per second Force is needed - Answer-B.F or a moving object to change its speed Rebecca puts her backpack on a fan cart and turns the fan on. She then measures the speed each second afterward. At 10 seconds the cart has a speed of 20 cm per second. How fast will the cart be moving at 12 seconds? - Answer-D. 24 cm per second A fan cart is moving forward on a frictionless surface. If you change the fan speed from High to Low, what will occur? - Answer-D. The cart will continue to speed up, but not as quickly as before The speed-versus-time bar graph for a fan cart experiment is shown below. What could have happened? - Answer-B. The track was frictionless, and the fan was changed from High to Off after 8 seconds