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06-02-2017
Physics

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A car is traveling around a circular race track at 180 kmh−1. If a single lap of the track is 2.4 km long, what is the angular velocity of the car (in rad s−1)?

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osprey2015 osprey2015

06-02-2017

tangential speed = radius of track times angular velocity.v=r omega.(180,000/60x60)=r omega.2pi r = 2,400 metres -> r = 2,400/(2pi)(180,000/60x60)=2,400/(2pi) omega(180,000x2pi/60x60x2,400)= omega****************************************

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