Now that you have your hot wheel car, hot glue, super glue, or gorilla glue the model rocket on top of the hot wheels car. Make sure the rocket on the car is parallel to the ground and is safely secure on the car. If the rocket is not glued on straight, the car when lighted will not go straight.
Now cut the pen tubes in half, and make each half the legnth of the rocket. You want to cut the top part of the pen off so the wires will be able to go throughthe pen tubes. Hot glue the pen pieces to the sides of the rocket. You also want the pen tubes parallel to the hot wheel car.
Now, You want a straw or another pen tube. This serves the purpose of breaking the laser beams of the vernier photogates. Glue the straw or pen tube to the top of the rocket. Make it perpendicular to the rocket. It should be standing up right and securely on it or else the photogates will not catch the data.
The weight of our car was 66 grams
This also has to do with Newton's second law. it states that the accerleration of an object is proportioanal to the net force and inversely proportioal to the mass of the object being acceleraed
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