# X select the 35 g toy car question what factors

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x Select the 35-g toy car. Question: What factors determine the speed of a roller coaster? 1. Observe: Set Hill 1 to 100 cm, Hill 2 to 0 cm, and Hill 3 to 0 cm. Be sure the Coefficient of friction is set to 0.00. (This means that there is no friction , or resistance to motion.) A. Click Play . What is the final speed of the toy car? B. Try the other cars. Does the mass of the car affect its final speed? 2. Collect data: Find the final speed of a toy car in each situation. Leave the last column blank. Hill 1 Hill 2 Hill 3 Final speed 40 cm 0 cm 0 cm 40 cm 30 cm 0 cm 60 cm 50 cm 20 cm 60 cm 0 cm 0 cm 60 cm 45 cm 0 cm 90 cm 75 cm 30 cm 3. Analyze: Look at the data carefully. Notice that it is organized into two sets of three trials. A. What did each set of trials have in common? B. Did hill 2 have any effect on the final speed? C. Label the last column of the table Total height lost . Fill in this column by subtracting the height of hill 3 from the height of hill 1. D. What do you notice about the Total height lost in each set of trials? 442.9cm Is No total height lost 280.1cm Is 40 280 I am Is 40 280.1 cm Is 40 343.1cm Is 60 343.1cm Is 60 373.1cm Is 60
4. Draw conclusions: When there is no friction, what is the only factor that affects the final speed of a roller coaster? What factors do not affect the final speed of a roller coaster?
2019 Activity B: Energy on a roller coaster Get the Gizmo ready: x Click Reset . Select the 50-g car.