Project.
Our hybrid car project was to move 2 rolls of pennies, totaling 100 pennies, 5 meters almost anyway you want. We used rubber bands to launch a box containing the pennies across the room.
Our presentation.
Final product.
My group made a car that successfully goes 5 meters. The car takes 2.3 seconds and had a peak velocity of 3.3 meters per second. The car weights 1.3 Kg, we added a 500 gram weight to slow down the car because it went to fast and pasted 5 meters. The rubber bands were 1.67 meters and have a spring constant of 31.1 joules and a potential energy of 175.26 joules. The car works almost 100% of the time and its every efficient.
Concepts.
Spring Potential Energy - The amount of energy a stretched spring has. You can find this by using 1/2kx^2. The unit used is Joules.
Kinetic Energy - Energy due to motion in an object. You can find this by using 1/2mv^2.
Thermal Energy -
Total Energy -
Friction -
Power -
Spring Constant -
Velocity -
Kinetic Energy - Energy due to motion in an object. You can find this by using 1/2mv^2.
Thermal Energy -
Total Energy -
Friction -
Power -
Spring Constant -
Velocity -