1. For this experiment, I am the scientist. It's very diffcult at the begining because we have no idea about the catapult. I sktech the structure about the catapult, I think it can guide our group to have more idea about it.
2. I think our team allmost apply the EDP successfully, we have lots of ideas. We spend lots of time to think about the design. We test fews of time on the lauched process and refine the degree of the catapult.
3. We use more sticks to make the catapult stable, we used to think use more stick to make the catapult higher.
4. I think the degree of the catapult is important. We did very well on the launching angle. Also for the foundation part, it is very stable. We want to have a very stable foundation, then it can shoot a far distance.
5. The catapult basically use the elastic energy convert to the kinetic energy. When the stone is in the air, it get the gravtational energy energy and kinetic energy. I think it both include the First and Second Newton law in the catapult, when the ball fall down on the ground and it will still move a little bit. For the stone, it get a elastic energy. The stone from the rest to accelerate.
2. I think our team allmost apply the EDP successfully, we have lots of ideas. We spend lots of time to think about the design. We test fews of time on the lauched process and refine the degree of the catapult.
3. We use more sticks to make the catapult stable, we used to think use more stick to make the catapult higher.
4. I think the degree of the catapult is important. We did very well on the launching angle. Also for the foundation part, it is very stable. We want to have a very stable foundation, then it can shoot a far distance.
5. The catapult basically use the elastic energy convert to the kinetic energy. When the stone is in the air, it get the gravtational energy energy and kinetic energy. I think it both include the First and Second Newton law in the catapult, when the ball fall down on the ground and it will still move a little bit. For the stone, it get a elastic energy. The stone from the rest to accelerate.