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Slide 2

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Describing the
graph
If you get a question asking you to describe the rockets journey just brake the graph up in to equal sections and describe what you think the graph is showing in this
section.
Distance time Almost stationary
graph! 400
0
350
0 Starting to slow down.
300
0 Max hight at 3750
Still slowing down
Height in M 2500
200
0
Threw out all the graph the
1500
rocket is decreasing in weight
Greatest distant moved threw
1000 out the graph due to loss of fuel and there for
Stationary on the speeds up as the is less
ground 500 downwards force on the rocket.
lighter rocket, quicker speed
higher up = Less gravity
0 5 10 15
2
Time in seconds0
2
5
3
0
Rocket is heavy + Steeper gradient
Gravity strong.
Rocket speeding up.
Not draw accurately…read more

Slide 3

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Describing the
graph
If you get a question asking you to describe the rockets journey just brake the graph up in to equal sections and describe what you think the graph is showing in this
section.
2250
Distance time
200 3.5s No Longer Needs To Thrust
graph!
0
1750 Gaining Momentum
1500
Thrust in N Less
1250
Starts Timing Time To
1000 Decrees
Thrust 750
500
250 No Thrust Applied Gravity Is
No fuel.
Reduced
Gravity 0 5 10 15
2
Time in seconds0
2
5
3
0
Not draw accurately…read more

Slide 4

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Describing the
graph
If you get a question asking you to describe the rockets journey just brake the graph up in to equal sections and describe what you think the graph is showing in this
section.
Distance time
graph! Highest
point.
350
300
250
d.
As
spee
sp
ee
dd
ly.
200 ec
slow
rea
Incre thrust+
se
ss
150 od
asing
os
e th
g
ea
100
osin
ir r
es
Not moving ist
an
Opp
no counter ce
50 .
force to
thrust.
0 5 10 15
2
Time in seconds0
2
5
3
0
At six seconds the air resistance is at its highest. This is because on the first
graph if you draw gradients at six seconds the gradient is at is steepest.
There for the air resistance is counteracting this and is at its peek at 6
seconds.
Not draw accurately…read more

Slide 5

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Equations you may need
to know.
Change In Momentum=
Kinetic Energy= 1/ 2×Mass×[Velocity]² Resultant Force × Time for which
Speed = Distance ÷ Time it acts
[Velocity]²=Kinetic Energy
Distance =Speed×Time Resultant Force =Change In
1/ 2×Mass
Momentum÷ Time for which it
Velocity=Kinetic Energy
Time = Distance ÷Speed acts
1/ 2×Mass
Time for which it acts=Change In
Momentum÷ Resultant Force
Momentum= Mass× Velocity Work Done = Force ×Distance Change in GPE= Weight ×
Vertical Hight Difference
Mass=Momentum÷Velocity Force = Work Done÷Distance
Weight =Change in GPE÷
Vertical Hight Difference
Velocity = Momentum ÷ Mass Distance = Work Done ÷ Force
Vertical Hight Difference
=Change in GPE ÷ Weight…read more

Slide 6

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Content Of Article
Rocket Thrust, Weight and Air Resistance
Looking at how the graphs are related to each
other and how each one effects the performance
of the rocket.
How different aspects are changed due to the fuel
content.…read more

Slide 7

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Preview of page 7

Comments

Billie Paul

whgore


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