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Physics 20 Online
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?

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

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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