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naik komuter

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Post time 5-3-2013 12:15 PM | Show all posts |Read mode
encik derp memandu pada kelajuan purata 50 km/j ke stesyen komuter setiap pagi untuk sempat naik komuter ke tempat kerja. pada suatu hari berlaku kesesakan lalu lintas dan di pertengahan jalan, encik derp mendapati dia hanya telah memandu pada kelajuan purata 25 km/j. berapa laju encik derp harus memandu untuk setengah perjalanan lagi ke stesyen komuter supaya dia sempat naik komuter sebelum tren ke tempat kerjanya itu terlepas...






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Post time 5-3-2013 12:28 PM | Show all posts
malas nye nak calculate
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Post time 5-3-2013 12:51 PM | Show all posts
75 km/h


betul tak ?
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 Author| Post time 5-3-2013 01:14 PM | Show all posts
erm salah..
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Post time 5-3-2013 01:50 PM | Show all posts
selaju yang boleh,hu2
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Post time 5-3-2013 02:10 PM | Show all posts
selaju-lajunya
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 Author| Post time 5-3-2013 02:27 PM | Show all posts
salah lagi....sila cuba lagi jangan berputus asa
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 Author| Post time 5-3-2013 10:39 PM | Show all posts
klu : kalau hari2 biasa tu dia sampai sempat2 je naik tren kalau lambat sikit je kena tinggal la..
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Post time 5-3-2013 11:18 PM | Show all posts
jalan sesak nak pandu apa..
trun keta lari jaaaaa..
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 Author| Post time 5-3-2013 11:36 PM | Show all posts
haha hatta lari pun kena berapa laju itu??
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Post time 5-3-2013 11:38 PM | Show all posts
75km/j

hehehehehe
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 Author| Post time 5-3-2013 11:51 PM | Show all posts
klu.... perjalanan biasa 50km/j
hari itu 1/2 perjalanan 25km/j

baca part ni betul2...
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Post time 6-3-2013 12:10 AM | Show all posts
kekalkan kelajuan je laaa...
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 Author| Post time 6-3-2013 12:15 AM | Show all posts
mizzacu posted on 6-3-2013 12:10 AM
kekalkan kelajuan je laaa...

kekalkan kelajuan x sampai la...
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Post time 6-3-2013 12:19 AM | Show all posts
anna-zara posted on 6-3-2013 12:15 AM
kekalkan kelajuan x sampai la...

kelajuan 50km/j lagi..  da 1/2 perjalanan kan
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 Author| Post time 6-3-2013 12:24 AM | Show all posts
salah jugak... aku bg klu lg...hari biasa dia bawak purata 50km/j dah sampai ke komuter...hari tu 1/2 perjalanan baru...lepas tu kelajuan purata dia 1/2 daripada biasa (biasa 50km/j hari tu 25km/j)
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Post time 6-3-2013 08:56 AM | Show all posts
anna-zara posted on 6-3-2013 12:24 AM
salah jugak... aku bg klu lg...hari biasa dia bawak purata 50km/j dah sampai ke komuter...hari tu 1/ ...

tambah lagi 25.. so total 50 km/jm




errr.. entah.. #xsukamath #malaskira #penin
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Post time 6-3-2013 08:59 AM | Show all posts
Er...buat kira-kira ni memang fail la.
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Post time 6-3-2013 09:45 AM | Show all posts
sepatutnya dia terlepas train. contoh:

jarak = 100km
purata laju (normal) = 50kmh
masa diambil : 2 jam

kalau purata laju untuk setengah perjalanan = 25kmh
jarak = 50 km
masa = 2 jam
jadi bermaksud dia sepatutnya dah sampai komuter tapi dia baru separuh perjalanan.

tapi kalau jaraknya hanya 100 meter...tak kan dia terlepas kot..

jadi tertakluk kepada jarak la.
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Post time 6-3-2013 10:45 AM | Show all posts
FMKiller posted on 6-3-2013 09:45 AM
sepatutnya dia terlepas train. contoh:

jarak = 100km

Setuju dengan FMkiller , hehe
sebabnya.. Macam Fmkiller cakap, bila separuh perjalanan dengan kelajuan 25km/j, dia telahpun terlepas komuter.
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