# Hill 3 0 cm 35 g car 1 press play to roll the 35 gram

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Hill 3 = 0 cm, 35-g car). 1. Press Play ( ) to roll the 35-gram toy car down the track. Does the car break the egg?
2. Click Reset ( ). Set Hill 1 to 80 cm, and click Play . Does the car break the egg?
3. Click Reset . Lower Hill 1 back to 70 cm and select the 50-gram toy car. Click Play . Does
the 50-gram car break the egg? 4. What factors seem to determine whether the car will break the egg?
The height and the weight. Activity A: Roller coaster speed Get the Gizmo ready: Click Reset . 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 masses of the car, 50 g and 100 g at the
same hill heights. 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.