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5-1 Acceleration 5.1
Accelerating (5.1) p 178
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Slide 1:
Slide
Natuurkunde
Middelbare school
havo
Leerjaar 2
This lesson contains
21 slides
, with
interactive quizzes
and
text slides
.
Lesson duration is:
45 min
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Items in this lesson
Accelerating (5.1) p 178
Slide 1 - Slide
Lesson goals:
Understand the velocity-time graph (v,t)
Use the formula for acceleration
Use the (v,t)-diagram to calculate distance/ displacement
Slide 2 - Slide
drawing a (v,t)-diagram
v - vertical axis
t - horizontal axis
0-4 s
Velocity increases therefore
the object is accelerating
after 4s
the motion is constant
uniform motion
Slide 3 - Slide
Acceleration
An object has a constant acceleration if there is a uniform increase in velocity, for example
t = 1s then v = 3 m/s,
t = 2s then v= 6 m/s
t = 3s then v = 9 m/s
therefore the acceleration is 3 m/s
2
Slide 4 - Slide
Calculating velocity:
v - velocity in m/s
s - distance in m
t - time in s
v
=
Δ
t
Δ
x
Δ
x
=
x
f
i
n
a
l
−
x
i
n
i
t
i
a
l
S
v
t
S
S
S
S
Slide 5 - Slide
Calculating acceleration:
a - acceleration in m/s
2
t - time in s
v - velocity in m/s
a
=
Δ
t
Δ
v
Δ
v
=
v
f
i
n
a
l
−
v
i
n
i
t
i
a
l
v
a
t
Slide 6 - Slide
convert velocity
velocity is often given in km/h and must be converted to m/s
m/s
km/h
: 3,6
x 3,6
Slide 7 - Slide
Convert... 30 km/h = ... m/s
A
8,3
B
30
C
108
D
300
Slide 8 - Quiz
Convert... 30 m/s= ... km/h
A
8,3
B
30
C
108
D
300
Slide 9 - Quiz
Convert... 500 km/h = ... m/s
A
139
B
500
C
1800
D
5000
Slide 10 - Quiz
Example 1
Slide 11 - Slide
Slide 12 - Slide
A runner increases his velocity from 1,5 m/s to 2,3 m/s in 4 seconds. Calculate the acceleration.
A
0,2
B
0,4
C
0,6
D
3,2
Slide 13 - Quiz
A drone accelerates for 3,7 seconds at 3 m/s2. If the drones initial velocity was 4 m/s what will then be it's final velocity?
A
7,1
B
8,3
C
11,1
D
15,1
Slide 14 - Quiz
Calculating displacement
You can use the (v,t)-diagram
to calculate distance
Distance = area under the graph
Slide 15 - Slide
Slide 16 - Slide
Hand in a photo of your Q8 here.
Slide 17 - Open question
How was the lesson?
Any tips for me how I can do this better?
Slide 18 - Open question
8
Slide 19 - Slide
Samenvatting:
Je berekent versnelling met
Je berekent afstand door de area onder de grafiek te berekenen
a
=
Δ
t
Δ
v
Slide 20 - Slide
Huiswerk
Groepjes van 4
Een persoon moet
voorbereiden voor volgende les
Andere lessen:
L2 - Resultante kracht
L3 - Tweede wet van Newton F = ma
L11 - Remkracht berekenen
Slide 21 - Slide
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