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fiets – bromfietstechniek - Fietstoeren

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4) Oefeningen:<br />

6<br />

1) Formule: √ = s<br />

t<br />

F01.Mechanica.<br />

1 e Oplossing: 4,2 = 0,3 km/min = 300 m = 5 m/s<br />

14 60<br />

2 e Oplossing: 4200 m/s = 5 m/s<br />

840<br />

2) Formule: s = √ . t<br />

1 e Oplossing: herleiden 1 h = 3600 s<br />

15 min = 900 s<br />

+ 10 s<br />

4510 s<br />

s = 72 x 4510 = 90,2 km<br />

3600 s<br />

2 e Oplossing: 72000 m = 20 m/s<br />

3600 s<br />

s = √ . t = 20 x 4510 = 90200m = 90,2 km<br />

3 e Mogelijke oplossing, maar moeilijk in gebruik<br />

3) Formule: t = s<br />

√<br />

1 e Oplossing: 75 km = 0,833 h<br />

90<br />

2 e Oplossing: 75 x 60 = 50 min<br />

90<br />

1 h = 1/1 72 km<br />

15 m = 1/4 18 km<br />

10 s = 10/360 0,2 km<br />

92,2 km

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