AQA Physics Unit 2 - Motion, Speed, Work, Energy, Momentum Inc. Questions

AQA Physics Unit 2 - Motion, Speed, Work, Energy, Momentum Including Questions

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  • Created by: Frenchie
  • Created on: 24-04-11 15:19

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Slide 1

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Distance, Speed
and Time D
Speed = distance (in metres)
time (in seconds) S T
1) Dave walks 200 metres in 40 seconds. What is his speed?
2) Laura covers 2km in 1,000 seconds. What is her speed?
3) How long would it take to run 100 metres if you run at 10m/s?
4) Steve travels at 50m/s for 20s. How far does he go?
5) Susan drives her car at 85mph (about 40m/s). How long does it
take her to drive 20km?…read more

Slide 2

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Young's Modulus
2) Horizontal
40 line =
30
Distance
20
(m)
10
0
Time (s)
1) Diagonal line =
20 40 60 80 100
3) Steeper diagonal line =…read more

Slide 3

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40
30
Distance
(metres)
20
10
0 Time/s
20 40 60 80 100
1) What is the speed during the first 20 seconds?
2) How far is the object from the start after 60 seconds?
3) What is the speed during the last 40 seconds?
4) When was the object travelling the fastest?…read more

Slide 4

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Speed vs. Velocity
Speed is simply how fast you are travelling...
This car is travelling at a
speed of 20m/s
Velocity is "speed in a given direction"...
This car is travelling at a
velocity of 20m/s east…read more

Slide 5

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Acceleration
V-U
Acceleration = change in velocity (in m/s)
(in m/s2) time taken (in s)
A T
1) A cyclist accelerates from 0 to 10m/s in 5 seconds. What is her
acceleration?
2) A ball is dropped and accelerates downwards at a rate of 10m/s2
for 12 seconds. How much will the ball's velocity increase by?
3) A car accelerates from 10 to 20m/s with an acceleration of 2m/s2.
How long did this take?
4) A rocket accelerates from 1,000m/s to 5,000m/s in 2 seconds.
What is its acceleration?…read more

Slide 6

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Velocity-time graphs
1) Upwards line =
80
4) Downward line =
60
Velocity
40
m/s
20
0
T/s
10 20 30 40 50
2) Horizontal line = 3) Upwards line =…read more

Slide 7

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Slide 8

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Slide 9

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Slide 10

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