A car travels for an hour at a speed of 20 km/r, the next two hours at a speed of 65 km/r and the final hour at a speed of 85 km/r. What is the average speed of the car for the entire trip?
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OpenStudy (broskishelleh):
Well thanks for the fan, anyways do you know how to calculate acceleration
OpenStudy (anonymous):
yeah
OpenStudy (anonymous):
its the same thing?
and np
OpenStudy (broskishelleh):
Out of what I see the car is going 22.5 Kph
OpenStudy (anonymous):
thanx
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OpenStudy (dbzfan836):
no, thats wrong
OpenStudy (dbzfan836):
20+65+65+85/5
OpenStudy (dbzfan836):
85+65+85/5
OpenStudy (broskishelleh):
It is 47
OpenStudy (dbzfan836):
@Broskishelleh u used a calculator *^*
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OpenStudy (anonymous):
why do we have to divide it by 5? isnt it four?
OpenStudy (broskishelleh):
@Dbzfan836 How would you know?
OpenStudy (dbzfan836):
ur sittin next 2 me
OpenStudy (broskishelleh):
And he put Devided by 5 so that's what I did
OpenStudy (dbzfan836):
235/4
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OpenStudy (anonymous):
so its not 5?
OpenStudy (broskishelleh):
58.75
OpenStudy (dbzfan836):
no
OpenStudy (dbzfan836):
he used calculator again XD
OpenStudy (anonymous):
okay. Thanks guys! :)
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OpenStudy (dbzfan836):
medal?
OpenStudy (anonymous):
who do you think i should give it to?
OpenStudy (dbzfan836):
me, I gave him a medal
OpenStudy (broskishelleh):
Give it to him
OpenStudy (dbzfan836):
hes my older brother
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