Roller Coaster Gizmos.pdf - Name Date Student Exploration...

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Name: Date: 01/01/21 Student Exploration: Roller Coaster Physics Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: friction, gravitational potential energy, kinetic energy, momentum Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Sally gets onto the roller coaster car, a bit nervous already. Her heart beats faster as the car slowly goes up the first long, steep hill. 1. What happens at the beginning of every roller coaster ride? Climb up slowly 2. Does the roller coaster ever get higher than the first hill? Explain. Yes, the roller coaster gets higher than the hill and after drops down fast. Gizmo Warm-up The Roller Coaster Physics Gizmo models a roller coaster with a toy car on a track that leads to an egg. You can change the track or the car. For the first experiment, use the default settings ( Hill 1 = 70 cm, Hill 2 = 0 cm, 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? No 2. Click Reset ( ). Set Hill 1 to 80 cm, and click Play . Does the car break the egg? Yes 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? Yes 4. What factors seem to determine whether the car will break the egg? Speed, how steep the hill is, and weight. Reproduction for educational use only. Public sharing or posting prohibited. © 2020 ExploreLearning™ All rights reserved
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? 442.9 cm s B. Try the other cars. Does the mass of the car affect its final speed?

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