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OpenStudy (ksaimouli):
A Porsche 911 accelerates from rest to 27 m/s (60mph) due north in 5.8s.The mass of the cars is 1400kg. What is the magnitude and direction of the average net force that acts on the Porsche?
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OpenStudy (ksaimouli):
i got the answer
OpenStudy (ksaimouli):
as 6517.24 N
OpenStudy (ksaimouli):
am i right
OpenStudy (anonymous):
yep
OpenStudy (ksaimouli):
i have one question it states which direction
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OpenStudy (ksaimouli):
how to know what direction it goes
OpenStudy (anonymous):
North
OpenStudy (ksaimouli):
how do u know
OpenStudy (anonymous):
As it started from rest, and after the force had finished acting on it, it was going North, so the force all along only acted Northwards.
OpenStudy (ksaimouli):
thx
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