p.p1 sure how to answer question, as I’m unsure

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Materials used to protect the egg:
– sponge
– cotton
– duct tape
– gelatin/silicon
– carbon fibre

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Airflow:

Holes or slits in the bottle to affect aerodynamics
Propeller for an extra softer landing 

Shape and number of fins:

Symmetry on each side (in number and shape)
The greater the number of fins will mean the more mass which may affect impact on landing

Shape of the nose cone:

A flat nose cone is not ideal as the rocket cannot cut through wind at all
A nose which is too sharp will cause a large crumple zone but also allow for faster travel
The aim would be to find a medium so that neither of these problems occur

Mass of the rocket:

Too much weight will result in less flight time meaning that the rocket will not perform as effectively however may provide extra protection for the egg
Too little weight will cause the egg to tip the rocket.  This can also result in a safer landing as there is less impact with the ground

Water level:
??????

See attached diagram of rocket design to be completed

S=d

           t
S=48.5 
      3.7
S=13.108m/s
When measured to travel 48.5 metres over a time period of 3.7 seconds, the average speed my rocket travelled was 13.108 metres per second.

not sure how to answer question, as I’m unsure what the question is asking

 

a) Newton’s Third Law: Every action has equal and opposite reaction. 
The rocket launches, the pressurised air and water pushes down onto the ground which makes the rocket push up into the air. The water went one way and the rocket went the opposite way because there is an equal force in both directions. Also when the rocket hits the ground the ground hits the rocket causing it to become slightly damaged 
b) Newton’s Second Law: The acceleration of an object is directly proportional to the net force but immensely proportional to it’s mass.

2. The rate of the rocket  depends on the mass of the rocket and the force produced by the pressure released.The amount of force depends how much air is pumped inside the rocket, you can increase the force by adding a small amount of water 
if there is too much weight the flight time is less meaning that the rocket will not travel great distances but may provide extra protection to the egg as the force of impact will not be as strong as it would be is the rocket was lighter. If the rocket has too little weight than the rocket will tip on flight because the egg”s weight will cause the rocket to spin out of control as the weight is not balanced well.

c) Newton’s First Law: An object will remain resting or continue at the same velocity unless acted on by an external force. the rocket remains at a holt on the ground until an unbalanced force exerted upon the rocket (until the pressure is released), propelling the rocket upward. 

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