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Mince2001
@Mince2001
April 2019
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Svp vous pouver maider dm maths
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Exercice 2.1
b) v= 620/4= 155 km/h
c) v= 12/0,5= 24 km/h
d) v= 1200/3= 400 m/s
e) v= 5000/120= 41,67 m/s
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maudmarine
Exercice 2.1
b) V = 620/4
V = 155 km.h
c) V = 12/0,5
V = 24 km.h
d) 1200/3
V = 400 m.s
1 m.s = 3,6 km.h
400 x 3,6 = 1440
V = 1440 km.h
e) 120 s = 2 min
5 : 2 = 2,5 km.min
2,5 km = 2500 m
V = 2500 m.min
V = 150 km.h
Exercice 2.2
b) D = 90 x 3,5
D = 31,5 km
c) D = 8 x 60
D = 480 m
d) D = 12 x 9,5
D = 114 m
e) D = 15,3 x 1,5
D = 22,95 km
Exercice 2.3
b) t = 3 h
D = 90 x 3
D = 270 km
c) 1 h = 3600 s
t = 2 h
D = 70 x 2
D = 140 km
d) t = 3600 sec
D = 0,5 x 3600
D = 1800 km
e) t = 10 800 sec
D = 4,3 x 10 800
D = 46 440 m
D = 46,440 km
Exercice 2.5
b) 20000 m = 20 km
t = 20/5
t = 4 h
tu continues...
1 votes
Thanks 2
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Verified answer
Exercice 2.1b) v= 620/4= 155 km/h
c) v= 12/0,5= 24 km/h
d) v= 1200/3= 400 m/s
e) v= 5000/120= 41,67 m/s
b) V = 620/4
V = 155 km.h
c) V = 12/0,5
V = 24 km.h
d) 1200/3
V = 400 m.s
1 m.s = 3,6 km.h
400 x 3,6 = 1440
V = 1440 km.h
e) 120 s = 2 min
5 : 2 = 2,5 km.min
2,5 km = 2500 m
V = 2500 m.min
V = 150 km.h
Exercice 2.2
b) D = 90 x 3,5
D = 31,5 km
c) D = 8 x 60
D = 480 m
d) D = 12 x 9,5
D = 114 m
e) D = 15,3 x 1,5
D = 22,95 km
Exercice 2.3
b) t = 3 h
D = 90 x 3
D = 270 km
c) 1 h = 3600 s
t = 2 h
D = 70 x 2
D = 140 km
d) t = 3600 sec
D = 0,5 x 3600
D = 1800 km
e) t = 10 800 sec
D = 4,3 x 10 800
D = 46 440 m
D = 46,440 km
Exercice 2.5
b) 20000 m = 20 km
t = 20/5
t = 4 h
tu continues...